Azes II, AR tetradrachm. Ca 35 BC - 5 AD. 

Obverse: BASILEWS BASILEWN MEGALOU AZOU, Emperor on 
horseback right, holding whip and raising right hand, bow 
on his back. Karosthi letter "pra" in right field. 
Reverse: Karosthi legend, Poseidon standing right, holding 
trident and extending right hand, Whitehead monogram 27 
to left, Karosthi letter "si" to right. 

Whitehead 177.

Courtesy of TimeLine Auctions (www.timelineauctions.com), July, 2012