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Description: | A slightly incomplete cast copper alloy symmetrical plate brooch dating from the Roman period. The brooch is lozenge shaped in plan, with a loop at the top and a foot at the bottom. On the reverse of the plate, there is a double lug below the loop, securing a bar which holds the hinged pin. The catchplate is on the reverse of the foot and the lower protion of the plate. The catchplate is incomplete as the pin rest is missing. When viewed in profile. The plate and loop at the top are seen to be flat, the pin is slightly convex, and the foot consists of a rounded knob. The brooch is 43.0mm long, 31.8mm wide, and 11.3mm from the front of the plate to the back of the pin. The pin is 31.9mm long. The brooch has a mass of 12.8g.The front of the lozenge shaped plate may have been enamelled - there are traces of concentric lozenge shaped designs towards the outer edges (in slight relief). The foot has two horizontal grooves running around the knob, the lower being wider. On the reverse of the plate there are a series of shallow vertical grooves, and narrower broadly transverse striations. These are likely to be finishing marks. The front of the lozenge shaped plate has an uneven green surface, but the foot and the loop at the top have a well developed green patina. The reverse of the brooch, including the pin mechanism, also has a well developed green patina. But there is also an unidentified cream/brown deposit adhered to portions of the front and reverse of the plate. This adhesion is probably a result of the brooch being in the ground. There may also be feint traces of a white metal coating on the reverse, although this is unclear. In: "Roman Brooches in Britain: A Technological and Typological Study based on the Richborough Collection", 2004, Bayley and Butcher note that enamelled disc and symmetrical plate brooches were widespread in most Roman provinces in the second and early third centuries AD (p.176).
Original Image | Publisher: | http://finds.org.uk | Source: | Portable Antiquities | Identifier: | http://finds.org.uk/database/artefacts/r... | Go to resource |
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