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Description: | An incomplete cast copper alloy Dolphin brooch, of Roman dating (AD 55 - AD 100).Approximately 75% of the brooch is present consisting of the bow, wings, catch plate and hinge casing. The pin and foot are missing.In plan, the brooch is almost T-shaped, and D-shaped in cross section. The bow head is hump-like, and angular (comma shaped) in profile, with cylindrical wings projecting from either side at the top. A decorative plain ridge is present, running the length of the bow. Each of the wings has a sub circular wing cap, with a perforation for the spring. A vertical groove is present at the end of each wing as decoration. A sub triangular catch plate is present at the foot of the bow. The back of the brooch is plain and undecorated. The hinge fitting is missing.The brooch measures 23.83 mm in length, 16.25 mm wide and 11.59 mm thick. It weighs 3.1 grams.The brooch is a mid to dark green colour, and has an uneven surface patina. Abrasion, caused by movement whilst within the plough soil, has resulted in a loss of some of the original surface detail. In a couple of areas, the patina has flaked off to reveal a light green area. These areas should be monitored for signs of active copper corrosion occurring (bright green powdery residue). To reduce the risk of this occurring, the brooch should be stored in a sealed air tight dry box, such as a tupperware box lined with silica gel.
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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