Vintage Art Deco iris glass crystal rhinestone, open backed, claw set cocktail bracelet, rainbow stripes, geometric design layering engraving and jewellery making for

engraving and jewellery making for hundreds of years

The brooch is in very good vintage condition

each set with a geometric shape in silver tone

but they are hard to see

nor a patent sketch or application

Vintage Art Deco iris glass crystal rhinestone, open backed, claw set cocktail bracelet, rainbow stripes, geometric design layering engraving and jewellery making forGorgeous Art Deco vintage crystal necklace from around the 1930s. This piece stands out because the open backed claw prong set crystal are made of iris glass (sometimes called rainbow glass) with its pink, blue and green striped inclusions. The settings are so small and delicate, the quality is amazing. The necklace is delicately constructed with a series of open backed iris glass crystals, chrome silver tone settings in a lovely Art Deco geometric