The set of vintage Siam Nielloware cufflinks features a distinct black-and-silver dragon design, and the tie clip features a crowned elephant motif and niello enamel in sterling silver and black enamel (Niello). 

Design: Mythical dragon figures and a crowned elephant motif and niello enamel, 

Origin: Thailand (formerly Siam). Condition: Pre-owned, consistent with vintage Nielloware.