Macedonia, Alexander III The Great, 336-323 BC. Tetradrachm; Macedonia, Alexander III The Great, 336-323 BC; Memphis, Egypt. c. 332-323 BC, Tetradrachm, 17.12g. Price-3964, SNG Lockett-1458, SNG Saroglos-662. Obv: Head of Herakles r., wearing lion-skin headdress. Rx: Zeus enthroned l., holding eagle and vertical scepter; in l. field, ram's head with crown of Isis; monogram under throne. Ex Gemini VII, 9 January 2011, lot 278. Ex The Rockefeller University/Dr. Alfred E. Mirsky Collection, purchased before 1959.Of the exquisite issues struck in Memphis, this is the most desirable and the rarest. Obverse struck in extremely high relief. EF