Watch List notes:

An Interesting Selection of Roman Provincial Coinage

Corydalla. Gordian III, 238-244. Bronze circa 238-244, Æ 26.83 g. AVK MAP AVT ΓOPΔIANOC [CEB] Laureate, draped and cuirassed bust r. Rev. KOPY – [ΔAΛΛEΩN] Horseman galloping r., holding spear, below, altar. von Aulock, Münzprägung 74. BMC –. (cf. 1, this obverse die). SNG von Aulock 4295. SNG Copenhagen –.
Extremely rare. Brown patina and about very fine