Ptolemaic Kings Of Egypt. Ptolemy I Soter 305-282 BC. AE  hemiobol. 18 mm, 5.51 g. Alexandria. Struck circa 294-285 BC. 

Diademed head of Alexander III right, wearing horn of Ammon, hair long.
BASILEWS PTOLEMAIOY, Eagle standing left on thunderbolt, wings spread. Aplustre and TI in left field.

Svoronos 135; SNG Cop 42.

With permission of Jean Elsen & ses Fils S.A. auction 134, Lot 236, Sept. 2017.