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Description: | Incomplete copper-alloy two-piece Colchester derivative Polden Hill type Roman brooch (75-175AD). The wings are complete and are semi-cylindrical in section with perforated end caps, both of which are complete. The axis bar and spring are present, the pin is missing. The spring is formed from a single length of copper alloy wire which has been turned eleven times and attached by an external chord beneath a rearward facing hook at the centre of the wings on the upper edge. The axis bar, which holds the spring, is probably formed from iron as the whole of the wing / spring case in encrusted with orange/brown iron corrosion. The head of the bow is humped and slightly angular. The bow is semi-circular (D-Shaped) in cross section. It tapers along its length to a new fresh break approximately ¾ along the length of the bow. The catch plate on the back of the bow is missing; it is likely that it expanded from a central rib located beneath the bow of the brooch. This rib expands from a point ½ way along the length of the brooch. The brooch measures 50.4mm length, 30.3mm width, is 18.2mm thick, and weighs 22.01 grams. The brooch is decorated with a series of moulded decorations which consists of ribs around the junction of the wings and bow and around the wing terminals. There is also a single rib which expands from the triangular rear facing hook along the length of the bow and probably terminates at the foot of the brooch. Either side of this rib are a series of four lentoid pellets at oblique angles. These probably represent leaves. This pattern repeats itself along the length of the brooch. The brooch is a mid green brown colour with an uneven abraded patina. This abrasion is probably caused by movement in the plough soil and has resulted in damage around the extremities of the brooch. The movement has also resulted in the loss of a large area of metal surface on the hump of the brooch. In this area there are several areas of light green powdery copper corrosion present. Similar Polden Hill style brooches can be seen in Richard Hattatt's Visual Guide to Ancient brooches pp 300 fig; 159: reference 380.
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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