Ptolemaic Kings Of Egypt. Ptolemy I Soter 305-282 BC. AR Tetradrachm. 28.5mm, 14.80 g. Alexandria or Daphnae mint. Struck circa 300-285 BC.

Diademed head right, with aegis, small D behind ear.
BASILEWS PTOLEMAIOY, Eagle, standing left on thunderbolt, wings closed. AD monogram in left field.

Svoronos 190; BMC (Co-regency with Ptolemy II) 85; Sear 7761.

With permission of cngcoins.com, auction 366, Lot 601, Jan. 2016.