Watch List notes:

Seleukid Empire, Seleukos I Nikator AR Tetradrachm. In the name and types of Alexander III of Macedon. Babylon II mint(?), circa 311-305 BC. Head of Herakles right, wearing lion skin headdress / Zeus Aëtophoros seated left, holding sceptre; BAΣIΛEΩΣ below, AΛEΞANΔPOY to right, anchor and monogram in left field, Π below throne. Cf. Price pl. XCVI, 3344 (same obv. die); cf. SC 94.7 for similar type. 17.00g, 29mm, 12h.

Very Fine. Apparently unique and unpublished.

From the inventory of a UK dealer.