Late 10th-early 11th century AD. A circular gold cloisonné mount with a facing nimbate bust, traces of enamel to the cells, 'IC XC' for Jesus Christ flanking the figure. 0.52 grams, 13mm (1/2"). Ex central London gallery since 2004; previously with Elie Borowski, 1988; this lot has been checked against the Interpol Database of stolen works of art and is accompanied by AIAD certificate number no. 10557-170991.