An Art Deco emerald, ruby and diamond jabot pin, France, 1920s, of Indian inspiration, each end set

An Art Deco emerald, ruby and diamond jabot pin, France, 1920s, of Indian inspiration, each end set with a carved emerald within a border of single-cut diamonds, accented with black lacquer and circular-cut rubies, mounted in gold and platinum, length 8.3cmFrench assay marks for 18ct gold, partial French maker's mark, indistinctly numbered