Numerian (283-284 A.D.) -  AE Antoninianus - 23.18x21.17mm, 3.52gr
Obverse - IMP NVMERIANVS PF AVG
Numerian, his radiate and draped bust right
Reverse - PROVIDENT AVG
VXXI in exergue.
Providentia standing left, holding corn ears in left
and cornucopiae in right hand, modius at her feet on left.

The image below was photographed by Rasiel Suarez from dirtyoldcoins.com. The image above is my own scan.

Minted at the 5th officina in Ticinum (Pavia, Italy) in 283 or 284 A.D.
Reference:
Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 2 (RIC), p199, nr. 446 A
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p504, nr. 12253, reverse legend variety AVG
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p293, nr. 3436
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), nr. 82
Van Meter, D., "Handbook of Roman Imperial Coins", p264, nr 16.
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p385, nr.36, variety (B11, O09, R22var, T32, M6)
Quality: Fine+/Very Fine-