Watch List notes:

MESOPOTAMIA, Edessa. Gordian III, with Abgar X Phraates. AD 238-244. Æ (32mm, 22.43 g, 5h). Laureate bust right, with slight drapery / Abgar standing left, presenting Nike to Gordian, seated right on sella castrensis situated on raised daïs. SNG Copenhagen 223 var. (bust type); BMC 138. VF, black patina under orange earthen deposits.

From the Dr. George Spradling Collection. Ex Classical Numismatic Group Electronic Auction 216 (12 August 2009), lot 413.