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Description: | An incomplete copper-alloy Aucissa variant type bow brooch with a rolled-under head and no wings. The presence of early features on this brooch such as the white metal coating on the bow, indicate a very early date so some time within the first quarter of the first centuary AD. This brooch had a cylindrical cover to hold the axis bar or sping. The right cylindrical cover survives in a complete state but the left is now incomplete with only the lower part, just less than half, surviving. The complete cylinder is now filled with corrosion product probably/possibly of copper-alloy. The outer surface of this cylinder is also covered with patches of corrosion product, probably/possibly iron corrosion, the presence of which means that it is not clear whether this is a complete cylinder, or formed of two curved peices of copper-alloy that abutted at the centre or a single curved piece of copper-alloy that curved up and over to abut with the upper surface of the rest of the brooch. The two cylinders occupy a total width of 21.5mm with a central gap of 1.9mm width which would originally have acted as a pin slot. The complete cylinder has an external diameter of 5.0mm. The pin which was probably hinged no longer survives.Directly below the cylinder is a decorative transverse rib that expands the width of the brooch, at this point, to 22.4mm with a length of 2.0mm. This is followed by a flat transverse strip 19.0mm wide with a length of 2.5mm and in curved (concave) edges. Below that field is another transverse rib that expands the width of the brooch, at this point, to 21.9mm with a length of 2.1mm and lays parallel to the first transverse rib. From this point downwards the flat bow, which has a rectangular cross-section, tapers towards the foot also becoming much straighter from this point. This section of the bow has a length of 43.0mm, thickness of 2.0mm half way down the length and a width at the lower end of 11.5mm. The upper surface is decorated with three vertical flutes. It is possible that repetitive closely set punched or incised decoration is present within the central flute and along the upper surfaces of the edges on the outer side of the outer flutes, however it is not certain whether these marking are just surface corrosion or pitting. Two rounded or oval knops would originally have been present, protruding from each edge of the bow, however the lower right-hand side knop is now missing, having been broken off. The lower left-hand knop has a diameter of 3.6mm and the largest surviving knop, on the upper right-hand side, has a diameter of 4.9mm. There is some damage to the edge of the bow along the lower right-hand side, where the missing knop would have been and above. Below the position of the lower knops the brooch suddenly narrows in width to 8.2mm for a length of 2.1mm forming a transverse shallow groove or flute with in curved (concave) edges. Below this field the brooch continues for a length of 3.1mm, continuing to taper to an irregular transverse break. The minimum complete width, just above the break is 6.5mm. The foot is missing having completely broken off. On the reverse, from the break upwards for a length of 13.5mm is a sub-triangluar catchplate, with rectangular cross-section positioned laterally and centrally. No return is visible on the catchplate. The plate has a width of 1.6mm and height of 6.5mm.This incomplete brooch weighs 13.5g, has an incomplete curved length of 64.0mm and maximum width of 21.5mm.
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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