In sterling silver, with "U S" in Gold letters affixed to the shield, maker marked "TIFFANY & Co MAKERS", marked "STERLING" and marked with a stylized "M" (designating the directorship of John C. Moore II of Tiffany, from 1907-1947), measuring 45 mm (w) x 17.3 mm (h), horizontal pinback, with black felt support, extremely fine.