Rights Holder: West Yorkshire Archaeology Advisory Service
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KNIFE
Unique ID: SWYOR-7867C0
Object type certainty: Certain
Workflow
status: Awaiting validation 
A flint knife dating from the Neolithic period (4000 BC - 2200 BC). The knife is formed on a seconday flake of reddish grey coloured flint. It is D shaped in plan. It is bifacially worked on the curved edge with invasive, scaled, low-angle retouch. The straight edge is worked with short scaled semi-abrupt retouch. Cortex survives on the dorsal face. The knife is 34.9mm long, 17.6mm wide and 4.1mm thick. 2.85g.
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 2200 BC
Dimensions and weight
Quantity: 1
Length: 34.9 mm
Width: 17.6 mm
Thickness: 4.1 mm
Weight: 2.85 g
Discovery dates
Date(s) of discovery: Thursday 1st January 1920 - Tuesday 31st December 1929
Personal details
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Other reference numbers
Other reference: PAS form number 2488
Materials and construction
Primary material: Flint
Manufacture method: Knapped/flaked
Completeness: Complete
Spatial metadata
Region: Yorkshire and the Humber (European Region)County or Unitary authority: North Lincolnshire (Unitary Authority)
District: North Lincolnshire (Unitary Authority)
Parish or ward: Crosby and Park (Unitary Authority Ward)
Spatial coordinates
4 Figure: SE9013
Four figure Latitude: 53.60583987
Four figure longitude: -0.6412854
1:25K map: SE9013
1:10K map: SE91SW
Grid reference source: Generated from computer mapping software
Unmasked grid reference accurate to a 1000 metre square.
References cited
No references cited so far.
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Timeline of associated dates
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