An 18k gold and chrysoberyl ring
Hand forged band, the sold bezel set with an oval cat's eye chrysoprase cabochon (ca. 10.6 x 5.9 mm). Stamped: Maker's mark "FM". A very small chip to the stone. Ring size 50. Weight 16.6 g.
Falko Marx, Cologne, 1980s/90s.