Probus (276-282 A.D.) -  AE Antoninianus - 22.82mm, 4.06g
Obverse - IMP C PROBVS AVG
Probus, his radiate bust left, wearing imperial mantle and
holding an eagle-tipped sceptre in his right hand.
Reverse - SALVS AVG
TXXI in Exergue. V in right field, star in left field.
Salus standing right feeding serpent in her arms.

Minted at Ticinum (Pavia, Italy), 10th emission, 3rd officina in 281 A.D.

Reference:  
Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 2 (RIC), p71, nr. 499h (obverse 5H)
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p479, nr. 12029, var from Ticinum mint
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), nr. 577
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p365, nr.83, (B20, O22, R124, T089, M7)
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II), p679, nr. 1792 (B72, O74, R004, T056, M4)
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II-digital),  p571, nr. 1792 (B72, O74, R004, T056, M4)
Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p262, nr 43, variety Ol/3a.
Kampmann, U., "Die Münzen der Römischen Kaiserzeit", 2nd. revised edition (Kampmann), p361, nr. 112.?84.

Quality: Very Fine+
Scarcity: C