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BROOCH
Unique ID: IOW-E3A58B
Object type certainty: Certain
Workflow
status: Awaiting validation 
An incomplete Roman copper-alloy and enamelled flat disc brooch (AD 80-250).
The pin and part of the catch-plate are missing.
The plate is circular in plan. It has a plain border and a hexactinal pattern (a star shape) with circular lobes at each point. At the centre there is raised copper alloy pellet. The field surrounding the central pellet contains remnants of degraded enamel now coloured reddish brown. The lobes have enamel now reddish brown, although the enamel in one lobe is missing. The field formed by the border and the arms of the star are filled with green enamel. The rear face has a 'D'-shaped pin-lug and a catch-plate. These are on the same alignment. The pin-lug, axis bar and spring mechanism are corroded. A fresh break beneath the pin-lug indicates that the brooch possessed an internal chord. The catch-plate has a fresh break. Consequently, the curled-over part the secured the pin-tip is missing. To one side of the catch-plate is a deposit of corroded iron.
The copper-alloy part of this brooch is generally brown and the rear face has multiple linear striations, possibly file marks.
Diameter: 19.9mm; thickness: 1.9mm; thickness including pin-lugs: 6.3mm; height of pin-lug: 5.1mm; width of pin-lug and spring mechanism: 7.0mm; height of catch-plate: 8.6mm; width of catch-plate: 2.1mm. Weight: 4.10g.
Similar brooches have been published (Hattatt 1989: 344, fig. 203, refs: 118, 518 and 1409). In Roman Brooch Timeline (2007), Worrell dates flat enamelled disc brooches to AD 80-250.
Hattatt, R. 1989. Ancient Brooches and Other Artefacts. Oxford: Oxbow Books.
Class: Flat, enamelled disc (sexfoil)
Subsequent actions
Current location of find: Finder
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: Exactly AD 80
Date to: Exactly AD 250
Dimensions and weight
Quantity: 1
Thickness: 6.3 mm
Weight: 4.1 g
Diameter: 19.9 mm
Discovery dates
Date(s) of discovery: Sunday 22nd May 2016 - Sunday 22nd May 2016
Personal details
This information is restricted for your access level.
Other reference numbers
Other reference: IOW2016-5-42
Materials and construction
Primary material: Copper alloy
Secondary material: Iron
Completeness: Incomplete
Spatial metadata
Region: South East (European Region)County or Unitary authority: Isle of Wight (Unitary Authority)
District: Isle of Wight (Unitary Authority)
To be known as: Isle of Wight
Spatial coordinates
Grid reference source: GPS (from the finder)
Unmasked grid reference accurate to a 1 metre square.
References cited
| Author | Publication Year | Title | Publication Place | Publisher | Pages | Reference | |
|---|---|---|---|---|---|---|---|
| Hattatt, R. | 1989 | Ancient Brooches and Other Artefacts: A fourth selection of brooches together with some other antiquities from the author | Oxford | Oxbow Books | 344, fig. 203 | 118, 518 and 1409 |
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