Trebonianus Gallus (251-253 A.D.) -  Silvered AE Antoninianus - 22.19x21.81mm, 3.56gr
Obverse - IMP CAE C VIB TREB GALLVS AVG
Trebonianus Gallus, his radiate, draped and cuirassed bust right
Reverse - PIETAS AVGG
Pietas, veiled, standing left, raising both hands.

Minted in Rome 251 or 252 A.D.
Reference:
Mattingley, Sydenham, & Sutherland, "Roman Imperial Coinage", Volume 4, Part 3 (RIC), p163, nr. 41
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p232, nr. 9642
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p252, nr. 2789
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 5, p247, nr. 84
Seaby, H.A. & Sear, D.R., "Roman Silver Coins" (RSC), Volume 4, p38, nr. 84
Van Meter, D., "Handbook of Roman Imperial Coins", p236, nr 27
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p276, nr 29, variety without star  (B2, O4, R25, T23, M3)
Quality: Very Fine