Severus Alexander (222-235 A.D.) - Silver Denarius - 20.43mm, 3.34g
Obverse - IMP C M AVR SEV ALEXAND AVG
Severus Alexander, his laureate and draped bust right
Reverse - PM TR P COS PP
Jupiter, naked, but for cloak behind over arms, standing front,
head left, holding thunderbolt and long scepter.
Severus Alexander
Minted in Rome in early 222 A.D.

Reference:
Mattingley, Sydenham, & Sutherland, "Roman Imperial Coinage", Volume 4, Part 2 (RIC), p71, nr. 5c (draped bust).
Carson, R.A.G., "Coins of the Roman Empire in the British Museum", Volume 6 (BMCRE), p117, nr. 17-18
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Volume 2, p645, nr. 7895.
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 4, p422, nr. 204.
Seaby, H.A. & Sear, D.R. , "Roman Silver Coins" (RSC), Volume 3, p137, nr. 204.
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p404, nr. 299 (B009, O004, R065, T040, M2)
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II-digital),  p339, nr. 299 (B009, O004, R065, T040, M2)
Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p212, nr. 35/1.
Kampmann, U., "Die Münzen der Römischen Kaiserzeit", 2nd. revised edition (Kampmann), p260, nr. 62.47.2.

Quality: Very Fine-
Rarity: C (Common)