Art Deco Tiffany & Co. Sapphire Diamond and Platinum Double Clip Brooch, Circa 1930

An Art Deco Tiffany & Co. sapphire diamond and platinum double clip brooch, set with round brilliant-cut diamond, in pavé and claw settings and baguette-cut diamonds, in rub over settings and square-cut sapphires, mounted in platinum, in an openwork Art Deco stylised bow design, in channel settings. Signed Tiffany & Co. and stamped IRID PLAT, on the back of each clip fitting and hand engraved "DMA", on the back of the bar fitting, circa 1930.