Rarer Antoninianus minted by Gordian III on the occasion of his first congiarium.
R in Roman Imperial Coinage catalogue.
Roman Imperial
Gordian III (238-244), Antoninianus 238-239, Rome mint
Obverse: radiate, draped and cuirassed bust right
IMP CAES M ANT GORDIANVS AVG
Reverse: Liberalitas standing left, holding pileus and sceptre
Diameter 23 mm, weight 4.96 g