Victorian Gutta Percha Link Necklace Circa. 1880 American Graduated oval links with original clasp. It is not difficult to find a gutta percha necklace, but it certainly is rare to find one in such wonderful condition! Original clasp. 19 inches long. The links are graduated in size from 3/8" x 5/8" to 1" x 1 1/4 " That deep, dark brown color. All in perfect order!