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BROOCH
Unique ID: NLM-C5DA23
Object type certainty: Possibly
Workflow
status: Awaiting validation 
Copper alloy possible Plate Brooch fragment (cf Mackreth type British Plate 3.biii). Cast flat-backed disc with central round aperture of diameter 10mm. This is surrounded by two concentric ridges and a rim which also stands in relief. The central ridge bears finely billeted decoration; the outer rim and inner ridge appear plain. Encrustation leaves it uncertain whether the zones between ridges are also plain. Against the tentative identification advanced, there is no sign of either fastening gear or gilded decoration, and the protrusion of the rings is more modest than on plate brooches illustrated by Mackreth. Suggested date: Possibly Roman, 175-300.
Diameter: 32.2mm, Thickness (at ridges): 2.6mm, Weight: 6.99gms.
Class: cf Mackreth type British Plate 3.biii
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: ROMAN
Period from: ROMAN
Subperiod to: Late
Period to: ROMAN
Date from: Circa AD 175
Date to: Circa AD 300
Dimensions and weight
Quantity: 1
Thickness: 2.6 mm
Weight: 6.99 g
Diameter: 32.2 mm
Discovery dates
Date(s) of discovery: Wednesday 30th October 2013
Personal details
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Other reference numbers
Other reference: NLM23993
Materials and construction
Spatial metadata
Region: Yorkshire and the Humber (European Region)County or Unitary authority: East Riding of Yorkshire (Unitary Authority)
District: East Riding of Yorkshire (Unitary Authority)
To be known as: near Wilberfoss
Spatial coordinates
Grid reference source: Centred on field
Unmasked grid reference accurate to a 100 metre square.
References cited
No references cited so far.
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Timeline of associated dates
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