Shop › Alexander the Great Silver Tetradrachm (336 - 323 BC) Image 1 of 3 Image 2 of 3 Image 3 of 3 Alexander the Great Silver Tetradrachm (336 - 323 BC) £975.00 Silver Tetradrachm. Heracles Wearing Lionskin Head-dress. R: Zues Holding Eagle & Sceptre.Coin Diameter (mm): 25 Add To Cart Added! Silver Tetradrachm. Heracles Wearing Lionskin Head-dress. R: Zues Holding Eagle & Sceptre.Coin Diameter (mm): 25