Antiochos IV of Commagene. 29.24 mm, 11.98 gr. 38-72 AD. 
Commagene mint. 

Obv: BASILEWS MEG ANTIOXOC EPI, laureate, draped bust right, 
'anchor' countermark behind bust.
Rev: KOMMA-GHNON, scorpion, all within wreath.

BMC 6; Butcher 1; RPC 3854; cf Sear Greek Imperial Coins 5507. 

With permission of TimeLine Auctions (www.timelineauctions.com), Aug, 2013