8 Pairs Murano Enameled Art Glass Earrings Pierced Post Lever Clip Screwback – old store stock 1970s to 1980s vintage blown enameled art glass Murano bead screwback, pierced post and clip on earrings. There are 2 pairs of pierced post, 2 pairs of screwback and 4 pairs of double bead leverback clip ons. They have a pretty multi color mix of red, white and blue colors. Each earring is showy and noticeable at 9mm to 10mm individual bead size. They have old silverplated screwbacks that are well made and secure. Any glue marks you may see on the backs in the enlarged photos are not eye noticeable when the earrings are worn on the ears. Unknown if they are drilled but they do have back covers on the beads that are glued and secure. Never used and in like new condition. They are from the estate of a mid century jewelry store. Store in operation from 1960s to 2005 and these were stored in basement for decades. A lovely group of good sized vintage Murano glass earrings for you or for resale!