Gordian III, AE28 pentassarion of Kallatis, Thrace.

AVT K M ANT GORDIANOC AVG, laureate, draped, cuirassed bust right.
KALLATIANWN, Tyche standing left, holding rudder and 
cornucopiae. E in upper left field. 

Varbanov 379.

Used with permission of CNG coins, www.cngcoins.com, Feb. 2011