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Description: | A cast copper-alloy circular cup weight of medieval or post-medieval date. The weight has a circular rim of 2.3 mm thick. It has a hollowed out, flat bottomed interior that forms the cup. The bottom of the interior has a central circular depression and swirling lines formed by a lathe. The sides are slightly angled, giving it a trapezoidal cross-section, with the rim 22.6 mm in diameter compared to 18.85 mm at the base. The lower surface of the base is flat. The weight weighs 13.5 grams. The artefact has a dark green patina.According to Biggs (1992, 16) this type of weight was in use from the late 14th century and throughout the medieval to post-medieval period although they were most common in the 17th-19th centuries. The plainness may suggest a post-medieval date. In the Troy weight system 13.5 grams would equate to 0.43 ounces, just under half a Troy ounce (or 0.47 in the avoirdupois weight system). It is possible it has lost some weight due to wear and was originally a half ounce measurement.The weight would have originally belonged to a nested set and would have been used to weigh gold and silver bullion in the form of coins, small objects or as scrap metal.
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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