MYSIA, SILVER TETRADRACHM OF ATTALOS, Pergamon, ca. 200 BC, 16.974g, 12h. Westermark V. XCR-R1. Attractively toned. Some traces of deposits. Perfectly centered and struck. Amazing realistic portrait. Extremely fine. Numismatic Fine Arts 1979 (6) lot 264; Bank Leu 1975 (13) lot 204