Watch List notes:

INDO-SKYTHIANS. Azes. Circa 58-12 BC. AR Tetradrachm (24mm, 9.68 g, 4h). King on horseback right, raising right hand, holding whip in left; I to right / Poseidon standing right, raising right hand, holding trident in left; monogram to left, Si to right. Senior 99.69T. Good VF, toned, minor porosity.

From the Demetrios Armounta Collection. Ex Classical Numismatic Group Electronic Auction 149 (4 October 2006), lot 173.