Vintage sterling silver spiny oyster Mexico earrings. full-bodied, beautiful red-orange spiny oyster cabochons with light highlights streaking across the stone giving each earring character; set in really well made solid 925 sterling silver. these earrings could make any outfit look amazing and their bright color around your face is sure to give you a youthful vibrant look. these earrings are stunning, I love the shape and color, and the vintage look, everything about them really! they are stamped 925 and both the stone and the silver tested as described. these earrings still have there natural Patina, but will shine right up if that is how you prefer them :)