18k White Gold, Green Jade & Diamond Art Deco Pi

18k White Gold, Green Jade & Diamond Art Deco Pin. Vertical hairline crack in jade approx. 1/3 down the length of the piece. The jade is carved with a fruit and flower design. It is mounted with 16 full cut diamonds. Hallmarked with maker's mark which appears to be "P.M." and "W.G.". The color and quality on the jade is superior. 3 1/4" long by 1 1/8" tall. Housed in a gray leather covered dome top box with gold tooling which appears to be original.