Vintage Swarovski Crystal Earrings Black Enamel and Gold-Tone Swan Marked

Vintage Black and gold-tone Swarovski brand with brilliant white crystals, gold plated clip on earrings . Marked on the back with the Swarovski Crystal Swan emblem. Earrings are in great condition. They measure 13 x27 mm . They would look great for an elegant evening out. 1980's