VTG 1960’s LONGCRAFT iridescent Blue Stone set

Beautiful Mid Century iridescent Blue/Bluish-Gray alternating thermoset “stones”. Set includes: necklace, bracelet, and earrings and is in vintage condition with normal minor wear. No missing or loose stones noted and all closures/hooks etc. in working order. Each “stone” is .375 x .50 Necklace is 15.5” total length (chain is 3.25” of it) adjustable choker length -signed Longcraft Bracelet is 6.5” x 5/8” and has Safety chain- signed Longcraft Earring are clip/screw back style approx 1"