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Description: | An almost complete cast copper alloy and enamelled umbonate brooch of Roman date (AD 100 ? AD 200). Length 34.0mm, width 25.0mm and thickness of umbo, 6.2mm. Diameter of umbo, 22.0mm. Weight 5.77g.
A plate brooch of umbonate type, circular and domed at the front and hollow at the reverse. It has a deep groove running all around, close to the perimeter. Four lugs protrude from the umbo; one at the top which is perforated as a chain loop, one at each side, and one at the bottom which hides the catch-plate. A small flattened circular area at the centre of the plate has a central circular cell which is empty. There is no evidence to suggest that this cell was filled with decorative material. The cell is about 1.5mm in diameter. Surrounding the centre of the plate are two circles of triangular cells filled with enamel. The smaller inner circle consists of fourteen cells alternating with red and blue enamel. The larger outer circle has fourteen larger cells which are about twice the size of those in the inner circle. These outer cells are also filled with alternating red and blue enamel. In both circles some of the enamel is missing or decayed. On the reverse there is a peripheral flat rim situated behind the front groove. There are two slender closely aligned perforated lugs that are situated to the rear of the upper part of the plate and chain loop. The bar, in situ, is made of copper alloy and is about 1.0mm in diameter. The copper alloy hinged pin is circular in cross-section and has a maximum diameter of 1.2mm. It tapers to a sharp point. The catch-plate extends from just below the centre of the plate to level with the bottom of the basal lug.
The brooch is in a remarkably good condition and has an overall mid-green patina. | Format: | text/html | License: | http://creativecommons.org/licenses/by-sa/3.0/ | Publisher: | The Portable Antiquities Scheme | Rights holder: | The Portable Antiquities Scheme | Subjects: | archaeology | Temporal: | 100
200 | Source: | Portable Antiquities | Creator: | Frank Basford | Identifier: | http://www.finds.org.uk/database/artefac... | Language: | en-GB | Format: | text/html | Go to resource |
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