Gordian III & Serapis AE27 of Markianopolis. Magistrate Menophilus. 

AYT K M ANT GORDIANOC AVG, laureate and draped bust of Gordian right, facing the draped bust of Serapis left, polos on head. 
VP MHNOFILOY MARKIANOPOLITWN, aerial view of the city 
of Markianopolis with its city walls, thirteen towers, an 
arched gateway, and an arched colonnade along the back wall, 
enclosing a tetrastyle temple with two colonnaded porticos 
and a lighted altar before it. 

AMNG I 1167; Varbanov 1972; Hristova & Jekov 6.37.46.8; Moushmov 805.

With permission of Roma Numismatics Ltd - E-Sale 68, Lot 759, Feb. 2020.

Note; Varbanov lists three obverse legends for this reverse type:
Varbanov 1970: AVT K M ANT GORDIANOC AVG (AV can be ligate)
Varbanov 1971: AVT M ANT GORDIANOC AVG
Varbanov 1972: M ANT GORDIANOC AVG

Very rare. Rated R6 in Varbanov with a value of 3,600 Euros.