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Description: | An incomplete cast copper alloy Polden Hill brooch from the Roman period. Length: 21.1mm; width: 31.8mm; measurement from front to reverse: 12.0mm; mass: 10.2g. The brooch consists of the head, bow, a crossbar formed by two semi-cylindrical horizontal wings with pierced sub-circular end-caps, an axis bar, a spring and a pierced lug on the head. The external chord is missing, but would have been secured by the pierced lug, and only the stub of the pin protruding from the spring remains. (for a description of the Polden Hill type, See Bayley and Butcher, 2004 Roman Brooches in Britain: A technological and Typological Study Based on the Richborough Collection Society of Antiquaries p. 33-34 and p159).There is a moulded "plate" on each side of the head adjoining the wings. The bow, which has a humped profile with an oval cross-section, tapers and is broken above the foot. There is no catchplate, against which the pin would have been secured. On each of the wings there is a vertical groove near to the terminals, and two further vertical grooves between the head and end-caps. A raised rib runs down the centre of the front of the bow from the lug on the head.The brooch has a well developed brown/green patina which is chipped in parts exposing a more pitted surface. The breaks do not appear to be recent. Bayley and Butcher (ibid. p159) explain that the Polden Hill type of brooch, "...exhibits a distinctive method of attaching the spring: it is carried in a semi-cylindrical crossbar which has closed ends to secure the axial rod, while the chord is held by a hook or crest on the head." In her "Roman Brooch Timeline", Worrell (2007) dates Polden Hill brooches to AD75-175. Bayley and Butcher (ibid. p 160) state that the main development of this type appears to have taken place in the West Midlands and that more recent finds have confirmed a concentration in this region.
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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