Alexander III AV stater, Susa mint, 19 mm, 8.64 g. Struck under Koinos, circa 324-323 BC. 

Head of Athena to right, wearing crested Corinthian helmet decorated with a sphinx right. 
BASILEWS ALEXANDROY, Nike standing left, wings spread, holding wreath and stylis. 

AH monogram over B beneath wing in left field, MAR monogram beneath wing in right field.

Price 3828; Mueller 1563.

With permission of Numismatica Ars Classica auction 84, Lot 1453, May 2015.