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Description: | A fragment of a cast copper alloy Roman crossbow brooch (AD 320-400).This fragment comprises part of the cross arm including the terminal knob, all cast in one piece. The knob is of onion-shape, is sub-circular in cross-section, and has a maximum diameter of 9.6mm. It has an accentuated point at the end. Between the knob and the arm is a grooved collar, circular in cross-section with a diameter of 11.7mm. The surviving part of the arm is 11.0mm in length, is hexagonal in cross-section, and has a maximum diameter of 6.9mm. The front facet of the arm has vertical grooved decoration. An iron axis bar, 2.6mm in diameter, is visible at both ends.The fragment generally has a mid-green patina and a fleck of white metal coating, probably tin, is just visible on the knob.A chronology and typology for crossbow brooches has been described by Bayley and Butcher 2004, 183-185.
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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