Watch List notes:

THRACE, Ainos. Circa 370/69-368/7 BC. AR Tetradrachm (20.5mm, 11.74 g). Head of Hermes facing slightly left, wearing petasos / Goat standing right; to right, head of ram right; all within shallow incuse square with rounded corners. Unpublished in the standard references with this symbol, but obverse appears to be struck from die A.251. Near VF, toned, faint cleaning scratches. New symbol for series.

Ex Roma May 2013 Auction (21 May 2013), lot 317.