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Description: | An incomplete cast copper alloy Colchester derivative Dolphin or T shaped brooch of Roman date (43-150AD). The wings are complete; they are semi-cylindrical in plan with abraded pierced end caps. The axis bar is formed from a length of iron wire which has corroded and encrusted the copper alloy spring. The spring is formed from a length of wire which has been turned nine times and attached to the rearward facing hook on the hump of the bow by an external chord. The pin is lost. The bow head is hump-like and the bow is D shaped in cross section. It extends to a broken edge on the lower part of the bow above the catchplate. The break is worn or abraded and has a green coloured patina similar to that seen on the rest of the brooch; this suggests relatively old damage - possibly pre-deposition. The catch-plate and lower bow are lost. The catchplate may have extended from a rib on the reverse of the bow which commences at the mid-point. The surface of the brooch is fair but the patina is abraded patina and powdery. Any detailed surface decoration I lost. The brooch is decorated with a series of vertical ribs, these are present on the upper wing cases and extend dfown the spine of the upper bow. At the mid point of the bow are a series of transverse horizontal grooves that divide the lower part into square panels, each panel has an irregular boss / pellet within. The brooch is a mid-light green colour where abrasion has occurred patches of light green powdery corrosion product are present. Similar brooches can be seen in Richard Hattatt's Visual Guide to Ancient brooches pp 301 fig; 160 and Bayley and Butcher: Roman Brooches in Britain pp 89-92.The brooch measures 25.4mm length, is 24.5mm width across wings, 5.6mm width across bow, is 3.7mm thick across the bow (at the same point). It weighs 7.16 grams.
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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