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Description: | A complete tombac button of post-medieval date. The button is discoidal, with a flat back and convex front. A small slightlyraised knop is present at the centre of the domed side and the worn and an integral attachment loop projects from the reverse.The metal has a matt silver patina and is worn. The button is 15.4mm long, the head is 11.2mm in diameter and 8.5mm thick; the shank is 4.9mm wide and 1.8mm thick. The button weighs 1.8g.Tombac is an alloy of high copper and 5 - 20% zinc content used in making inexpensive jewellery. Tin, lead or arsenic are also frequently added for extra colouration. The alloy is easy to work and can be punched, cut, enamelled, repousse, engraved, gilded, or etched easily by hand tools. It has a higher sheen than most brasses or copper, and does not easily tarnish.
Original Image | Publisher: | http://finds.org.uk | Source: | Portable Antiquities | Identifier: | https://finds.org.uk/database/artefacts/ | Go to resource |
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