Retro 18 Karat Tri Color Pin with Flower and Leaf

Retro 18 karat Tri color pin with yellow, rose and white gold and the piece has a lovely flower and leaf. Measurements for the pin are 30mm and 1 1/8", it weighs 1.8 dwt and the pin dates between the 1930-1940's. Metal content is not marked but has been tested using an electronic tester.