Details
A GEM-SET BROOCH, BY KOCH
Of circular design, set with a series of cushion-shaped and cabochon multi-coloured sapphires and other gemstones, mounted in 18K gold, in a Koch green leather case
Signed by Koch
Of circular design, set with a series of cushion-shaped and cabochon multi-coloured sapphires and other gemstones, mounted in 18K gold, in a Koch green leather case
Signed by Koch