Circa 40's....2 1/2" WIDTH, 1 1/2" HEIGHT.
...Here's is a lovely Siam Silver (Nielloware) pin. Alternating metal amalgam colors of blue and red (metallic like) between towers of silver columns top with Asian Figures and Design.
Just Lovely, Darling! Stamped Siam Sterling. Has the old time hook clasp.
BE BOLD WEAR OLD!!!