Ptolemy I Soter, AR tetradrachm, Alexandria. 310-305 BC. 28 mm, 15.62 g.

Horned and diademed of Alexander right, wearing elephant headdress.
ALEXANDROY, Athena Promachos walking right, brandishing 
spear and holding a shield on left arm, DoF monogram in left field, aphlaston and eagle standing right on thunderbolt in right field. 

Svoronos 154; BMC 36.

With permission of cgb.fr, auction June 2014.