Trebonianus Gallus (251-253 A.D.) -  AR Antoninianus - 22.63x21.48mm, 3.52gr
Obverse - IMP C C VIB TREB GALLVS AVG
Trebonianus Gallus, his radiate, draped and cuirassed bust right
Reverse - PIETAS AVGG
Pietas, veiled, standing left, raising both hands,
a lighted altar before her.

Minted in Mediolanum (Milan, Italy) 252 or 253 A.D.
Reference:
Mattingley, Sydenham, & Sutherland, "Roman Imperial Coinage", Volume 4, Part 3 (RIC), p163, nr. 72
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p232, nr. 9643 (erroneously dubbed RSC 76)
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p252, nr. 2790
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 5, p248, nr. 88
Seaby, H.A. & Sear, D.R., "Roman Silver Coins" (RSC), Volume 4, p38, nr. 88
Van Meter, D., "Handbook of Roman Imperial Coins", p236, nr 28
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p276, nr 15  (B2, O2, R25, T22, M2)
Quality: Very Fine+