Probus (276-282 A.D.) -  AE Antoninianus - 20.80mm, 3.37gr
Obverse - PROBVS PF AVG
Probus, his radiate and cuirssed bust right.
Reverse - MARTI PACIF
Mars walking left, holding olive-branch, spear and shield.
AQGamma in Exergue.

Minted at Rome, 7th emission, 3rd officina in 282 A.D.

Reference:  
Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 2 (RIC), p36, nr. 177.
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p479, nr. 11993.
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), nr. 350
Van Meter, D., "Handbook of Roman Imperial Coins", p262, nr 27.
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  unlisted (B24, O54, R068, T027, M4)

Quality: Very Fine+