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Description: | A copper-alloy umbonate brooch of Roman date, probably second century AD. This brooch is complete with the exception of the missing pin. Weight is 12.26g, length is 35.3mm and width is 32.1mm.The centre of the brooch is circular and convex with a diameter of 18.6mm. At the centre of this zone is a depressed dot, probably surrounded by a shallow and worn depressed ring. Outside the ring are two rows of concentric rings formed by depressed small triangles. The inner ring of triangles is formed of ten triangles, all of which are positioned with the apexes towards the centre of the brooch, all of which are empty. Of the fourteen triangles that form the outer circle one is empty the other thirteen retaining blue glass or enamel. All of the outer triangles are also positioned with the apexes towards the centre. This central zone is bordered by a relatively wide grooved line that forms another concentric ring. Outside of the grooved line is a border of copper-alloy, of approximately the same width as the groove, from which eight lobes project. At the centre of each of the lobes is a depressed ring and dot motif. The dot at the centre of one lobe may actually be a circular perforation now infilled with dried mud. This probable perforation can be seen on both the front and reverse surface.The reverse surface of the brooch is concave at the centre and flat behind the lobes and outer edge of the central field. Just below the possible perforation on the reverse surface is a double lug. These lugs have a rectangular cross-section and tall or extended semi-circular shape. The lugs project out from the reverse surface by 6.5mm with a width of 6.8mm. They have a thickness of approximately 1.7mm each forming a double lug width of 5.6mm including the width of the gap between. The bar between the two lugs survives and has a circular cross-section of 2.1mm diameter. The pin is no longer present. The reverse surface of the opposite lobe is occupied by a catchplate of 9.1mm length, maximum width of 2.2mm at the base and height of 2.7mm.See Hattatt, R., 2000 A Visual Catalogue of Richard Hattatt's Ancient Brooches Oxford : Oxbow Books, 350, fig.209, no.1574, also SWYOR-641CE5 and BUC-EBC758 on this database.
Original Image | Publisher: | http://finds.org.uk | Source: | Portable Antiquities | Identifier: | https://finds.org.uk/database/artefacts/ | Go to resource |
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