Denario¹, zecca di Roma², fine 231 d. C., RIC IV/II 238, BMC VI 824 (pag.197), C IV 83, indice di rarità "c"

D. IMP ALEXANDER PIVS AVG. Alessandro Severo, testa laureata a destra, drappeggiato e corazzato ³.
R. IOVI PRO-P-VG-NATORI⁴. Giove nudo tranne che per un mantello sulla spalla, in piedi di fronte, ginocchio destro piegato, testa girata indietro a destra, sorregge un fulmine con la mano destra e un'aquila con la sinistra.

La ricerca nel web di monete della tipologia di figura ha prodotto i seguenti risultati:

1. http://www.coinarchives.com/a/lotviewer.php?LotID=116810&AucID=136&Lot=837 LHS Numismatik AG > Auction 95 Auction date: October 25th, 2005 Lot number: 837 Price realized: 225 CHF (approx. 176 U.S. Dollars as of the auction date) Lot description: Roman Coins Severus Alexander Estimate: CHF 225.00 -. Denarius (Silver, 3.18 g 12), 232. IMP ALEXANDER PIVS AVG Laureate, draped and cuirassed bust of Severus Alexander to right. Rev. IOVI PROPVGNATORI Jupiter, nude, standing facing, head to right and right leg bent, holding thunderbolt in his right hand and eagle in his left. BMC 824. C. 83. RIC 238. Nearly as struck.
2. http://www.coinarchives.com/a/lotviewer.php?LotID=42115&AucID=16&Lot=1734 Gorny & Mosch Giessener Münzhandlung > Auction 115 Auction date: March 5th, 2002 Lot number: 1734 Price realized: 100 EUR (approx. 87 U.S. Dollars as of the auction date) Lot description: RÖMER RÖMISCHE KAISERZEIT Objekt-Nr.: 1734 Severus Alexander, 222 - 235 n. Chr. Denar, (3,56 g.), 231 - 235 n. Chr. Mzst. Rom. Vs.: IMP ALEXANDER PIVS AVG, Büste mit Lorbeerkranz und Paludamentum nach r. Rs.: IOVI PROPVGNATORI, Jupiter n. r. ausschreitend schleudert ein Blitzbündel und hält mit der anderen Hand einen Adler. RIC 239; C. 84. vz Estimation : € 100,00.
3. http://www.coinarchives.com/a/lotviewer.php?LotID=121616&AucID=141&Lot=617 Auktionshaus H. D. Rauch GmbH > Auction 74 Auction date: December 7th, 2004 Lot number: 617 Price realized: 65 EUR (approx. 87 U.S. Dollars as of the auction date) Lot description: Elagabal - Maximus Severus Alexander-222-235 Denar (2,56 g), rom 231/5. Av.: IMP ALEXANDER PIVS AVG, belorbeerte, drapierte und gepanzerte Büste rechts. Rv.: IOVI PROPVGNATORI, Jupiter geht links, schleudert Blitz, hält Adler. RIC:238, C:76. vzgl. Estimate: EUR 50.
4. http://www.coinarchives.com/a/lotviewer.php?LotID=46836&AucID=50&Lot=2225 Gorny & Mosch Giessener Münzhandlung > Auction 122 Auction date: March 10th, 2003 Lot number: 2225 Price realized: 100 EUR (approx. 111 U.S. Dollars as of the auction date) Lot description: RÖMISCHE KAISERZEIT Objekt-Nr.: 2225 Severus Alexander, 222 - 235 n. Chr. Denar, (2,96 g.), 231 - 235 n. Chr. Mzst. Rom. Vs.: IMP ALEXANDER PIVS AVG; drap. beloorbeerte Panzerbüste n. r. Rs.: IOVI PROPVGNATORI, Jupiter schreitet n. l., Blick n. r., hält Donnerkeil und Adler. RIC 238; C. 83; BMC 824. feines Stück, gut zentriert, nahezu st Estimation: € 120,00 Hammer price: € 100,00.
5. http://www.wildwinds.com/coins/ric/severus_alexander/RIC_0238.1-o.jpg

http://www.wildwinds.com/coins/ric/severus_alexander/RIC_0238.1-r.jpg
Ref Severus Alexander Denarius, RIC 238, RSC 83, BMC 824. Closes December 14, 1999 - 08:00 PM PT (61 Lots) Welcome to another auction on NOL. This selection of coins has a variety of Greek, Roman & Byzantine to pick from. In the Greek selection of this sale, you will find some good buys on worn Syracuse silver with a few other interesting types to be had. Lot: 49 Roman. Ancient. SEVERUS ALEXANDER. 222-235 AD, Denarius, Rome, 232-5 AD, 2.70g. RSC-84. MS [L513956] Next Bid: $165.00.
6. http://www.wildwinds.com/coins/ric/severus_alexander/RIC_0238.2.jpg Severus Alexander. 222-235 AD. AR Denarius (3.22 gm). Struck 231-235 AD. IMP ALEXANDER PIVS AVG, laureate, draped, and cuirassed bust right / IOVI PRO-PVGNATORI, Jupiter standing front in fighting attitude, holding eagle and thunderbolt. RIC IV 238; BMCRE 824; RSC 83. EF. Lot Number: 61939 Estimate: $75.00 Final Sale Price: $96.80.
7. http://www.wildwinds.com/coins/ric/severus_alexander/RIC_0238.3.jpg *AAH* Severus Alexander Den "Jupiter" CHOICE Severus Alexander AD 222-235 Silver Denarius "Jupiter, the defender, the champion" Obv: IMP ALEXANDER PIVS AVG - Laureate bust right (frontal), draped and cuirassed Rev: IOVI PROPVGNATORI - Jupiter standing front, head turned right, holding an eagle and preparing to hurl javelin. Rome mint: AD 231-235 = RIC IVii, 238, page 88 - Cohen 83- SEAR RCV II (2002), #7871, page 645 (VF $25 - XF $75), 2.80 g. Currently US $76.00 Ends Sep-16-02.
8. http://www.wildwinds.com/coins/ric/severus_alexander/RIC_0238.5.jpg (classificazione fornita dal sito errata) *AAH* Severus Alexander Den "Jupiter" SHARP Severus Alexander AD 222-235 Silver Denarius "Jupiter, the defender, the champion." Obv: IMP ALEXAN-DER PIVS AVG - Laureate bust right (frontal), draped and cuirassed. Rev: IOVI PRO-PVGNATORI - Jupiter standing front, head turned right, preparing to hurl thunderbolt. Rome mint: AD 231 = RIC IVii, 235, page 88 - Cohen 76 - SEAR RCV II (2002), #7870, page 644 (VF $25 - XF $75) 1.98g. Winning bid:  US $19.50 Ended:  Jul-10-04.
9. http://www.wildwinds.com/coins/ric/severus_alexander/RIC_0238.6.jpg (classificazione fornita dal sito errata) Severus Alexander ruled from 222-235. He ,along with, his mother were murdered in 235 at Mainz. This VF+ coin has a bold obverse and shows slight facial hair with complete inscription. Obv. IMP ALEXANDER PIVS AVG. Laureated bust right. draped and cuirassed Rx. IOVI PROPVGNATORI Minted at Rome between 231-235. 2.8g, 19mm, RIC-235. Currently$16.00 Ends Nov-19-01.

Un saluto cordiale.
Giulio De Florio
 

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Note:

(1) Il denario era la moneta d'argento principale nel periodo. Raccolgo in tabella le caratteristiche fisiche dei denari della tipologia di figura  tratte dai link di cui sopra e dal sito dell'ANS (http://www.amnumsoc.org/search/):