Watch List notes:

Elis, Olympia AR Stater. 'Zeus' mint, 93rd Olympiad, 408 BC. Eagle's head left; poplar leaf below / Winged thunderbolt within olive wreath, F-A across fields. Seltman, Temple Series XVII, 160; BCD Olympia 77. 12.10g, 21mm, 4h.

Good Fine. Countermark on obv.

From the Mark Christenson Collection;
Ex Classical Numismatic Group e302, 8 May 2013, lot 98.