Kings of Macedon – Alexander III 'the Great' (336-323 BC) – AR Tetradrachm (Zeus). Late posthumous issue. Obv: Head of Herakles to right, wearing lion's skin headdress. Rev: ΑΛΕΞΑΝΔΡΟΥ Zeus Aëtophoros seated left on backless throne, right leg drawn back, feet on ground line, eagle in right hand, scepter in left; no other symbols, letters or control marks. Reference: ... Weight: 16.38 g Diameter: 27.5 mm Metal: Silver Extremely Rare – Alexander tetradrachms that show no control symbol or letters other than the basic coin types are surprisingly rare and scant in the academic references. Price lists only 10 different issues with no control marks out of more than 2,000 different varieties of tetradrachm. Provenience: ex private collection. See the pictures for more details and correct impression