An Art Deco bloodstone intaglio ring, set in 10K white gold. Signed "M.G.". Circa 1930.
About the stone: Also called heliotrope, bloodstone is a variety of chalcedony that is characterized by its green color flecked with red spots of jasper. It was often used on fobs and signet rings. Bloodstone is the traditional birthstone for the month of March.