6th emission of Ticinum, second phase (with XXI), 279 CE.

Not listed in RIC; Pink -; Ticinum. Denomination: Antoninianus.
Bust type not listed in RIC

OBV.: IMP PROBVS AVG

Radiate, helmeted, cuirassed bust right, holding spear in right hand, and trophy in left.

REV.: MARTI PACIF

Mars walking left, holding olive-branch, spear and shield.

Mintmark: // ΔXXI DeltaXXI

Weight: 3.35 g.

Image provided courtesy of Philippe Gysen