Black and Gold vintage clip on Lesley Block drop earrings

Vintage drop earrings, the clips have a geometric black enamel pattern, with a black glass drop dropping form a gold frost ring.  The earrings measure 5.5 cms from the top of the clip to the bottom of the gold geometric feature at the base of the earring.  The earrings were designed and signed by Lesley Block, and made during the 80s in Rhode Island America.