Vintage Sterling Silver and Marcasite Curved Hoop Pierced Earrings

Beautiful "C" Curved half hoop pierced earrings with small pave set marcasite stones 1 missing stone - see last photo, had to see with the naked eye and most likely not be noticed when wearing them. stamped .925 on the back approx 3/4" long other than the 1 missing stone - excellent condition circa 1990