Pair of 19th century gold pietra dura cufflinks, unmarked gold, of circular form, featuring pietra dura inlaid flowers on a black slate ground with gold surround, engraved to both backs 'T.S Mort to Emma, Feb 24/76', a/f (one piece of inlay missing), total weight 10.34gm, together with research documents pertaining to T.S Mort (2)