Gallienus, Bi. antoninianus. Antioch. Engraver's error.

GALLIENVS AVG, radiate, draped and cuirassed bust right.
AEQVTAS AVG (sic), Aequitas standing left, holding scales and cornucopiae. 

Star in left field.

RIC V-1 (S), Asian Mint 627 var (rev. legend); Ihsaniye hoard 21; Karaman Museum 2457; Sear 10168.

Image courtesy of Ilhan Temizsoy and Karaman Museum.