Watch List notes:

PTOLEMAIC KINGS OF EGYPT. Ptolemy I Soter, 305-282 BC. Tetradrachm (Silver, 27 mm, 13.48 g, 12 h), Alexandria. Diademed head of Ptolemy I to right, wearing aegis around his neck; within his hair behind his ear, tiny Δ. Rev. ΒΑΣΙΛΕΩΣ ΠΟΛΕΜΑΙΟΥ Eagle, with closed wings, standing left on thunderbolt; to left, monogram of XA. SNG Copenhagen 49. Svoronos 234. Scratches, heavy deposits, graffiti and banker's mark, otherwise, very fine.

From an old Swiss collection, formed circa 1950s to 1970s.