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Date: |
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Description: | An incomplete cast copper-alloy key of possible post-medieval date. The object consists of a large sub-oval loop with very slightly off-centre circular hole bevelled internally on both faces (countersunk) (Dia.: 8.55mm). The lower edge of the loop is flattened and the object tapers to a stem (W.: c. 8.5mm). The stem is of flat rectangular cross-section and flares out at its base to a double ridged collar (W.: 9.25mm). Below this collar is a spiral, three and a half twists of which survive, that tapers from a diamater of 6.45mm to 4.45mm at an apparent break. This hand-cut screw thread suggests that the object is of a certain age. The metal has corroded to a variable mid/dark green patina that, in part, suggests a post-medieval date. Dr Kevin Leahy advises that such keys were used on the release mechanisms of shackles (pers. comm. 20 October 2009).
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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