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BROOCH
Unique ID: LON-AAD5B7
Object type certainty: Certain
Workflow
status: Awaiting validation 
A Roman copper alloy incomplete Colchester derivative rear-hook brooch dating 43-65AD. This brooch has a rear-hook at the head through which the external chord of the spring passes. The spring has eight turns and is broken; the pin is missing. There are flat wings which project from the bow and partially cover the spring. The bow has a facetted cross-section and tapers towards the foot. There is no foot knob. The majority of the catchplate is still present although the shape is slightly distorted. The copper alloy has a patchy dark green patina with areas of the base red metal showing through. This is not consistent with the typical appearance of copper alloy deposited within the foreshore environment; however there are areas of gravel in the vicinity which have a higher acidic environment which may be responsible for the appearance of the copper alloy.
This brooch was found very near to LON-AB1166 and LON-AB0001.
Dimensions: length: 54.04mm; width: 20.10mm; thickness: 20.20mm; weight: 10.13g.
Class: Colchester derivative
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: ROMAN
Subperiod from: Early
Period from: ROMAN
Subperiod to: Early
Period to: ROMAN
Date from: Circa AD 43
Date to: Circa AD 65
Dimensions and weight
Quantity: 1
Length: 54.04 mm
Width: 20.1 mm
Thickness: 20.2 mm
Weight: 10.13 g
Rally details.
This object was found at Tower foreshore COLAS open weekend
Personal details
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Materials and construction
Primary material: Copper alloy
Manufacture method: Hand made
Completeness: Incomplete
Spatial metadata
Region: London (European Region)County or Unitary authority: Greater London Authority (Greater London Authority)
District: Tower Hamlets (London Borough)
Parish or ward: St. Katharine's and Wapping (London Borough Ward)
Spatial coordinates
4 Figure: TQ3380
Four figure Latitude: 51.503293
Four figure longitude: -0.085156
1:25K map: TQ3380
1:10K map: TQ38SW
Grid reference source: From a paper map
Unmasked grid reference accurate to a 10 metre square.
References cited
No references cited so far.
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Timeline of associated dates
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