Rights Holder: North Lincolnshire Museum
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BACKED BLADE
Unique ID: NLM-8FF5D5
Object type certainty: Certain
Workflow
status: Awaiting validation 
Grey flint with re-formed cortex, possibly collected from the East Coast, backed blade. A D-shaped thick flake with a broad flake struck from its dorsal side and with a bulbar ventral surface. Short abrupt retouch executed from the dorsal aspect follows a convex curving edge, with the broad striking platform on the opposite side permitting pressure to be brought to bear on the cutting edge. Gritty cortex appears to have re-formed over part of that edge. The lack of patina may suggest the object was then incorporated into a sealed deposit. Suggested date: Neolithic, 4000-2350 BC
Length: 35.8mm, Width: 31.1mm, Thickness: 10.3mm, Weight: 14.11gms
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: NEOLITHIC
Period from: NEOLITHIC
Period to: NEOLITHIC
Date from: Circa 4000 BC
Date to: Circa 2350 BC
Dimensions and weight
Quantity: 1
Length: 35.8 mm
Width: 31.1 mm
Thickness: 10.3 mm
Weight: 14.11 g
Discovery dates
Date(s) of discovery: Thursday 14th October 2021
Personal details
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Other reference numbers
Other reference: NLM48090
Materials and construction
Primary material: Flint
Manufacture method: Knapped/flaked
Completeness: Complete
Spatial metadata
Region: East Midlands (European Region)County or Unitary authority: Lincolnshire (County)
District: West Lindsey (District)
To be known as: Swinhope
Spatial coordinates
Grid reference source: GPS (from the finder)
Unmasked grid reference accurate to a 1 metre square.
References cited
No references cited so far.
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Timeline of associated dates
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