Copper alloy, 9.64 grams; 41.07 mm. Circa 1st - 3rd century AD. A smart well proportioned key from a tumbler lock, with a decorated shank and suspension loop above. The crooked bit has extremely long teeth to fit the tumblers in the lock, three lost in antiquity. Ref: Benet’s Artefacts, page 215 - 216, figs. R17-0202 - R17-0204; Celtic and Roman Artefacts, page 80, fig. RB237. Very fine condition.