Kanishka, Kushans, AE Tetradrachm. 15.38 gr, 25.70 mm. 127-140 AD.  

Obv: PAO KANhPKI, the king, clad in coat and trousers, standing left by altar, holding spear.
Rev: AQPO, Hephaistos, the god of metals, standing left, holding 
wreath in left hand, tongs in left hand, which is resting on his 
hip. Tamgha of Kanishka to left.

Appears to have been overstruck on a coin of an earlier King. 

BMC 34; Whitehead 92.

With permission of TimeLine Originals (www.time-lines.co.uk), June, 2011