Silver pendant with fossil coral

Silver pendant with fossil coral; very nice quality; probably mid 20th century; the individual coral flowers have a sharp drawing and a beautiful play of colors; Honed but not polished; Silver frame with eyelet; stamped 925 and 800; on the upper edges the stone has small chips from wear and a small hole (see photos); Dimensions: Ø 3 cm Weight: 10.5 g; traces of use according to age