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    • Medieval periodic type: 1750
    • Broad period: BRONZE AGE
    • Institution: NLM
    • Object type: PLANO CONVEX KNIFE

  • Thumbnail image of NLM-769338

Record ID: NLM-769338
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Dark grey flint plano-convex knife. A leaf-shaped flake with broad long parallel flakes struck from its dorsal side and with a slightly concave ventral surface. Short abrupt retouch executed from the dorsal aspect follows one long edge; other chips from the ventral side are adventitious damage. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 43.5mm, Width: 21.9mm, Thickness: 5.9mm, Weight: 6.82gms
Created on: Monday 18th June 2018
Last updated: Monday 18th June 2018
Spatial data recorded. This findspot is known as 'Swinhope', grid reference and parish protected.


  • Thumbnail image of NLM-22815B

Record ID: NLM-22815B
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Dark grey flint with cortex plano-convex knife. A thick flake with unidirectional covering angled scalar retouch across its dorsal side, and with a bulb at one end of the ventral surface. Short abrupt retouch executed from the dorsal aspect follows the longest edge. Recent damage has removed limited parts of the ventral surface at either end. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 46mm, Width: 25.9mm, Thickness: 11.8mm, Weight: 16.79gms
Created on: Thursday 14th June 2018
Last updated: Thursday 14th June 2018
Spatial data recorded. This findspot is known as 'Swinhope', grid reference and parish protected.


  • Thumbnail image of NLM-2F7FFA

Record ID: NLM-2F7FFA
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey-brown flint plano-convex knife. A small thick straight-sided flake with covering angled scalar retouch and a flat to very slightly concave ventral surface; the scars are mostly parallel, which might be considered a trait of Mesolithic work as might the concave underside, though the object type here is of the Late Neolithic to Early Bronze Age. Suggested date: possibly Early Bronze Age, 2350-1600 BC. Length: 27.0mm, Width: 14.7mm, Thickness: 5.9mm, Weight: 2.94gms
Created on: Thursday 1st February 2018
Last updated: Thursday 1st February 2018
Spatial data recorded. This findspot is known as 'Faldingworth', grid reference and parish protected.


  • Thumbnail image of NLM-F1F3DF

Record ID: NLM-F1F3DF
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Pale grey flint plano-convex knife. A small flake with covering angled scalar retouch across its dorsal side and with a lightly convex or bulbar ventral surface; possibly broken at one end. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 27.3mm, Width: 15.4mm, Thickness: 5.9mm, Weight: 2.96gms
Created on: Monday 29th January 2018
Last updated: Wednesday 14th February 2018
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-F1C93C

Record ID: NLM-F1C93C
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint, possibly collected from the East Coast, plano-convex knife fragment. A thick flake with invasive angled scalar retouch on the dorsal side and with a bulb, recently chipped, at one end of the ventral surface. The object has broken longitudinally, across the site of the bulb, leaving a concave side edge. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 40.8mm, Width: 18.6mm, Thickness: 12mm, Weight: 10.42gms
Created on: Monday 29th January 2018
Last updated: Wednesday 14th February 2018
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-087B53

Record ID: NLM-087B53
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Dark grey to black flint, plano-convex knife. A thick flake with covering angled scalar retouch across its dorsal side and with a flat ventral surface. The finder notes the form of the object resembles an arrowhead, though it is too thick and massy to have served as such. This form may arise from battering in antiquity at one side of one end, and the more recent loss of an adjacent chip. The dorsal surface bears a flecking of white patina, and the ventral surface bears a denser spread of similar markings. This tends to suggest that the object has endured exposure to a calcareous envir…
Created on: Monday 6th November 2017
Last updated: Tuesday 7th November 2017
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-8BF81C

Record ID: NLM-8BF81C
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint plano-convex knife. Oval or leaf-shaped flake with covering angled scalar retouch across its dorsal side and with a bulb at one end of the ventral surface. Patches of misty patina may suggest the object has endured a period of exposure after its deposition. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 50.6mm, Width: 23.9mm, Thickness (at bulb): 6.5mm, Weight: 8.96gms.
Created on: Monday 8th February 2016
Last updated: Tuesday 9th February 2016
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-E4E472

Record ID: NLM-E4E472
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Dark grey flint plano-convex knife. Knife or 'slug knife'. A thick elongated leaf shaped flake with covering angled scalar retouch of its dorsal side and a near-flat ventral surface. Misty white patina has developed on all struck surfaces, suggesting the object was exposed to weathering for a period after its deposition. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 41.3mm, Width: 17.6mm, Thickness: 7.4mm, Weight: 6.19gms.
Created on: Tuesday 19th January 2016
Last updated: Wednesday 20th January 2016
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-81704E

Record ID: NLM-81704E
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Dark grey flint with cortex, plano-convex knife. Flake with a long flake trimmed from one edge on the dorsal side, and with faint ripples on the slightly concave ventral surface. Short abrupt retouch executed from the dorsal aspect follows the curved end and part of the long cutting edge created by initial working./ Suggested date: Early Bronze Age, 2350-1600 BC. Length: 43.5mm, Width: 23.7mm, Thickness: 9.1mm, Weight: 9.53gms.
Created on: Thursday 3rd September 2015
Last updated: Thursday 3rd September 2015
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-6E097E

Record ID: NLM-6E097E
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint with cortex spot and patches of misty patina, plano-convex knife fragment. Sub-triangular fragment with invasive to covering angled scalar retouch on the dorsal side, flat on the ventral surface with an angled surface towards the edge. The extent of patina indicates the object was broken in antiquity and was subsequently exposed for a period. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 30.4mm, Width: 17.9mm, Thickness: 5.3mm, Weight: 3.03gms.
Created on: Wednesday 2nd September 2015
Last updated: Wednesday 2nd September 2015
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-F90FB6

Record ID: NLM-F90FB6
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey-brown semi-translucent flint of good quality, plano convex knife fragment. Leaf-shaped pointed flake with covering angled scalar retouch across its dorsal side and a bulb on the ventral. Slight misty patina has developed, mainly on the more heavily worked dorsal side. Broken at one end, probably in antiquity. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 34.7mm, Width: 19.2mm, Thickness: 5.7mm, Weight: 4.14gms.
Created on: Wednesday 22nd July 2015
Last updated: Thursday 20th August 2015
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-91AE5C

Record ID: NLM-91AE5C
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint with misty patina plano-convex knife. Sub-rectangular flake with a nearly flat ventral surface and covering angled scalar retouch of the dorsal side. The extent of patina suggests the object endured a period of weathering after its deposition. It is broken at its narrower end, probably recently, and chipping along one cutting edge is probably also adventitious. Suggested date: Early Bronze Age, 2350-1600 BC, Length: 37.5mm, Width: 20.6mm, Thickness: 5.7mm, Weight: 4.91gms.
Created on: Friday 17th July 2015
Last updated: Monday 20th July 2015
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-18D9E4

Record ID: NLM-18D9E4
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint with cortex, possibly collected from the East Coast, possible plano-convex knife. Oval flake with invasive angled retouch executed from the dorsal aspect following both its curved edges and with a bulb on the ventral side. Misty patina on struck surfaces may suggest the object lay exposed to weathering for a period after its deposition. Suggested date: early Bronze Age, 2350-1600 BC. Length: 37.6mm, Width: 26.1mm, Thickness: 11.2mm, Weight: 11.73gms.
Created on: Friday 5th June 2015
Last updated: Friday 5th June 2015
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-82B833

Record ID: NLM-82B833
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Published Find published
Grey and white banded flint plano-convex knife. Long narrow flake with a single long flake removed from its dorsal side and a bulb at one end on the ventral. Covering angled scalar retouch executed from the dorsal aspect follows all around the edge of the flake, and is only lacking at the site of initial trimming. The natural banding of the material is exploited for its decorative effect in a highly accomplished piece, and the initial and secondary working appears intended to permit the comfortable use of the tool, which is gently curved in profile. Suggested date: Early Bronze Age, 2…
Created on: Tuesday 17th March 2015
Last updated: Saturday 25th April 2015
Spatial data recorded. This findspot is known as 'Fonaby', grid reference and parish protected.


  • Thumbnail image of NLM-D19861

Record ID: NLM-D19861
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint possible plano-convex knife fragment. Chip from a plano-convex blade with a curving edge. Both dorsal and ventral sides bear smooth surfaces characteristic of hinge fractures. Short abrupt scalar retouch follows a curving edge. The straight edges are both the result of recent breaks. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 25.6mm, Width: 21.7mm, Thickness: 6mm, Weight: 4.05gms.
Created on: Monday 19th January 2015
Last updated: Tuesday 20th January 2015
Spatial data recorded. This findspot is known as 'Kelstern', grid reference and parish protected.


  • Thumbnail image of NLM-0447B1

Record ID: NLM-0447B1
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
Workflow stage: Awaiting validation Find awaiting validation
Dark grey flint with cortex Plano Convex Knife, as kindly identified by the finder. Flake with broad parallel flakes removed from its dorsal side and lightly rippled on the ventral. Invasive angled scalar retouch executed from the dorsal aspect follows the long edges; either limited retouch or impact damage gives the appearance of working on the ventral side. The object is curved in profile. Suggested date: Late Neolithic to Early Bronze Age, 2700-1600 BC. Length: 48.3mm, Width: 18.9mm, Thickness: 6mm, Weight: 8.14gms.
Created on: Tuesday 16th December 2014
Last updated: Tuesday 16th December 2014
No spatial data available.


  • Thumbnail image of NLM-726BE1Z

Record ID: NLM-726BE1Z
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint thickly patinated with cortex possible Plano-Convex Knife. Elongated flake of plano-convex section. Minimal short abrupt pressure flaked retouch along one edge has trimmed cortex to produce a single durable cutting edge. It seems likely that the patination of the ventral surface was acquired before this reworking. Suggested date: Late Neolithic to Early Bronze Age, 2700-1600 BC. Length: 45.0mm, Width: 20mm, Thickness: 7.6mm, Weight: 8.79gms.
Created on: Tuesday 9th December 2014
Last updated: Saturday 17th January 2015
Spatial data recorded. This findspot is known as 'Swinhope', grid reference and parish protected.


  • Thumbnail image of NLM-725E27

Record ID: NLM-725E27
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Dark grey flint with cortex and cloudy patina Plano-Convex Knife. Flake with a bulb on its ventral side and with parallel strips of invasive scalar retouch on both its long sides removing cortex and forming durable cutting edges. These have acquired an identical patina to the ventral side, which extends to an obliquely snapped end. Suggested date: Late Neolithic to Early Bronze Age, 2700-1600 BC. Length: 33.4mm, Width: 18.2mm, Thickness: 8.0mm, Weight: 5.68gms.
Created on: Tuesday 9th December 2014
Last updated: Wednesday 10th December 2014
Spatial data recorded. This findspot is known as 'Swinhope', grid reference and parish protected.


  • Thumbnail image of NLM-E8C33B

Record ID: NLM-E8C33B
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey cloudy flint with cortex possible Plano-Convex Knife fragment. Long flint, now irregular, with short abrupt hard hammer retouch along one long edge and continuing to a rounded end; the other side is lost. Patina developed over all surfaces suggests the object was subject to prolonged exposure after its lengthwise breakage. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 54.8mm, Width: 19.1mm, Thickness: 9.8mm, Weight: 10.30gms.
Created on: Friday 3rd October 2014
Last updated: Friday 3rd October 2014
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


  • Thumbnail image of NLM-D655D2

Record ID: NLM-D655D2
Object type: PLANO CONVEX KNIFE
Broad period: BRONZE AGE
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
Grey flint Plano-Convex Knife fragment. Flake with two broad flake removal scars on its dorsal side and flat on the ventral. Invasive pressure flaked retouch appears at one end, and along a curved and slightly concave edge. Suggested date: Early Bronze Age, 2350-1600 BC. Length: 42.1mm, Width: 22mm, Thickness: 6.8mm, Weight: 6.26gms.
Created on: Thursday 2nd October 2014
Last updated: Friday 3rd October 2014
Spatial data recorded. This findspot is known as 'Binbrook', grid reference and parish protected.


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