17th century AD. A silver disc pendant with integral ribbed loop, central cell to one face with inset an earlier carved bone nimbate mask and text surrounding, to the reverse an elaborate cross with 'IC XC' above and 'NI KA' below the horizontal arms. 11 grams, 45mm (1 3/4"). Property of a London collector; acquired on the London market, 1990s-2000s. Fine condition.