Aemilian (253-253 A.D.)  - AR Antoninianus - 20.65mm, 2.26g
Obverse - IMP AEMILIANVS PIVS FEL AVG Aemilian, his radiate, draped and cuirassed bust right.	Reverse - DIANAE VICTRI Diana standing left, holding arrow and bow..
The image below was photographed by Agora Auctions. The top and middle image are my own photo and scan respectively.
Minted in Rome in 253 A.D. Reference: Mattingley, Sydenham, & Sutherland, "Roman Imperial Coinage", Volume 4, Part 3 (RIC), p194, nr. 2b. Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p251, nr. 9831. Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p255, nr. 2853. Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 5, p288, nr. 10. Seaby, H.A. & Sear, D.R., "Roman Silver Coins" (RSC), Volume 4, p46, nr. 10. Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p238, nr 2. Suarez, R., "ERIC II - The Encyclopedia of Roman Imperial Coins" (ERIC II),  p484, nr.9 (B2, O2, R7, T8) Suarez, R., "ERIC II - eBook" (ERIC II-eBook),  Vol 3, p408, nr.9 (B2, O2, R7, T8) Kampmann, U., "Die Münzen der römischen Kaiserzeit", 2nd edition (Kampmann), p306, nr. 85.4 Quality: about Fine, weakly struck. Rarity: Rare. Ex-Tom Mullally collection.