Art retailer Deco Bow-Tie Style Carnelian Art Deco Brooch

Vintage Art Deco, Sterling, Marcasite and Carnelian Bow-Tie Styled Brooch
Beautiful vintage brooch with carnelian stones on each side, open backs to allow the light to come thru. The retailer piece is studded with marcasites in sterling.
Measures just under 2 inches across and 5/8" wide
The sterling is marked 925 and weighs 8.6 grams
Very good condition.