Of black Bakelite or some other early plastic, this antique Art Deco brooch is sleek and sophisticated. Accentuating its streamlined form are radiant geometric overlays of finely detailed silver metal (likely chromium or rhodium) at each end. Of impressive size, this dazzler measures about 2 1/2 x 1 1/4 inches. Probable dating is late 1920s and, although it was acquired in England, it looks French to me.
On close inspection, you can see that the pin was assembled in three parts (center plus two triangular tips recessed to receive the silvery ornaments). The black areas within the overlays seem to be enameled, but could be insets of a shinier plastic.
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