Vintage .925 Sterling Silver Marcasite Signed Dangle Post Earrings. Beautiful Marcasite and sterling silver with an Ethnic flair! Post style backs. Total length is just shy of 1 3/4 inches. Stamped with what looks like M and a backward C or D or J, and .925. Pre-owned, Vintage, but very good condition, with the exception of the backs not being original to the earrings, and are not sterling, but stainless steel.