Baktria, Indo-Greek Kingdom. Amyntas. Circa 80-65 BC. AE Unit 21mm, 8.33 g. 

Bust of Zeus-Mithras right, wearing Phrygian cap, scepter over shoulder.
Athena standing left, holding shield and spear; monogram to left. 

Bopearachchi Série 15C; SNG ANS 1252-3. 

From CNG Online e-Auction 224, closed 16th Dec. 2009. Sold for $135.
Used by permission of CNG, www.cngcoins.com, Dec. 2009