Watch List notes:

THRACE, Anchialus. Gordian III, with Tranquillina. AD 238-244. Æ Tetrassarion (25mm, 12.59 g, 7h). Laureate, draped, and cuirassed bust of Gordian III right, seen from behind vis-à-vis diademed and draped bust of Tranquillina left / City gate with two towers. Tachev Anchialos cf. 657-61 (O13/R151; this die pair unrecorded); RPC VII.2 1146.13 (this coin); AMNG 681; Varbanov 678 var. (obv. legend). Dark green patina, minor smoothing. Good VF.

Ex Classical Numismatic Group Electronic Auction 218 (9 September 2009), lot 340; Classical Numismatic Group Electronic Auction 179 (2 January 2008), lot 148.