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BROOCH
Unique ID: BH-EF27AE
Object type certainty: Certain
Workflow
status: Awaiting validation 
An incomplete cast copper-alloy Colchester derivative, rearhook type brooch dating to the Roman period (c. AD 40-70). The brooch comprises the wings, rearhook, bow and catch plate. The spring and pin are missing.
The wings are semi-cylindrical with a compressed rearhook projecting from the centre of the upper edge.The front of the wings are not decorated while the interior is hollowed and also undecorated.
The bow projects from the centre of the front of the wings. It is initially sub-trapezoidal in cross-section before transitioning to become circular-sectioned and gradually narrows in diameter as the bow descends to a rounded foot. There is no decoration on the otherwise smooth finish.
A thin triangular solid catch plate projects from the lower bow and foot. A small portion of the outer edge is bent slightly inwards where a catch would have housed the pin terminal.
The entire object has even mid-green patination.
The brooch measures 33.8mm long. The wings are 21.4mm wide, 5.1mm high and 2.9mm thick. The bow is a maximum of 6.6mm wide and 5.5mm thick, and 1.5mm diameter at the foot. The catch plate is 15mm long and 0.8mm thick. The entire brooch weighs 5.35 grams.
For a similar brooch see Mackreth 2011, vol. II, p. 43, pl. 40, no. 1012.
Class:
rearhook
Sub class: Mackreth 2011, CD RH 3.k.d
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: ROMAN
Period from: ROMAN
Period to: ROMAN
Date from: Circa AD 40
Date to: Circa AD 70
Dimensions and weight
Quantity: 1
Length: 33.8 mm
Width: 21.4 mm
Thickness: 5.5 mm
Weight: 5.35 g
Discovery dates
Date(s) of discovery: Sunday 25th November 2018 - Sunday 25th November 2018
Personal details
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Materials and construction
Primary material: Copper alloy
Manufacture method: Cast
Completeness: Incomplete
Spatial metadata
Region: Eastern (European Region)County or Unitary authority: Cambridgeshire (County)
District: South Cambridgeshire (District)
Parish or ward: Heydon (Civil Parish)
Spatial coordinates
4 Figure: TL4241
Four figure Latitude: 52.04920578
Four figure longitude: 0.06935386
1:25K map: TL4241
1:10K map: TL44SW
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 | |
|---|---|---|---|---|---|---|---|
| Mackreth, D.F. | 2011 | Brooches in Late Iron Age and Roman Britain | Oxford | Oxbow Books | vol. II, p. 43, pl. 40 | no. 1012 |
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Timeline of associated dates
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