Rights Holder: North Lincolnshire Museum
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BROOCH
Unique ID: NLM-E14E9C
Object type certainty: Certain
Workflow
status: Published 
Copper alloy plate brooch. Cast lugged disc plate brooch with eight knops [one lost] equidistantly spaced around its rim, cf. Mackreth type British Plate type 5a. The flat plate has a grooved border and a low outer circumferential rib; a further pair of grooves and a central hole of diameter 2.7mm may all relate to a separate central boss, now lost. Paired lugs on the back were for a hinged pin [lost] with a small folded catch plate opposite. The display face bears extensive traces of white metal plating. The use of plating relates this to 1st-century brooches favoured by the Roman army of occupation. The floruit of such brooches was probably 2nd century, and they had largely fallen out of use by the late 3rd century. Suggested date: Roman, 100-200.
Diameter: 25.0mm, Thickness (clear of pin gear): 0.8mm, Weight: 2.24gms
Class:
Lugged disc
Sub class: Mackreth 2011, Chapter 7, Part 1, British, type 3.a4
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: ROMAN
Subperiod from: Early
Period from: ROMAN
Subperiod to: Late
Period to: ROMAN
Date from: Circa AD 100
Date to: Circa AD 200
Dimensions and weight
Quantity: 1
Thickness: 0.8 mm
Weight: 2.24 g
Diameter: 25 mm
Discovery dates
Date(s) of discovery: Monday 9th January 2017
Personal details
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Other reference numbers
Other reference: NLM34838
Materials and construction
Primary material: Copper alloy
Completeness: Incomplete
Surface Treatment: White metal coated
Spatial metadata
Region: Yorkshire and the Humber (European Region)County or Unitary authority: North Lincolnshire (Unitary Authority)
District: North Lincolnshire (Unitary Authority)
To be known as: Owston Ferry
Spatial coordinates
Grid reference source: From finder
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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