Here is a pair of Vintage CROWN TRIFARI Rhinestone Green Enamel Snakeskin Clip-On Earrings from the 1950's - 60's era.  Unusual because they are marked on clips: Trifari with crown and the other is marked Majorica.  Measure 7/8" in diameter.  Feature green enamel framed in gold trim snakeskin pattern accented with crystal chaton rhinestones.  Super quality!  No missing enamel or stones, scratches, discolorations, wear to gold finish, etc.  Clips work fine and have a good snap.  Elegant!