222-231 AD., Severus Alexander, Rome mint, Dupondius, RIC 612h.

Severus Alexander, Rome mint, 222-231 AD., (223 AD. ?),
Dupondius (ø 22-23 mm / 8,61 g), brass, axes coin alignment ↑↓ (ca. 180°),
Obv.: IMP CAES M AVR SEV ALEXANDER AVG , his radiate draped (and cuirassed?) bust facing right, seen from back.
Rev.: SECVRITAS - PERPETVA / S C (in exergue) , Securitas, draped, seated left on throne, holding vertical sceptre in right hand and resting head on left hand, left arm resting on top of throne, elbow bent; in front left, lighted and garlanded altar.
RIC IV, II, p. 118, 612h (inaccurate rating: "common") ; BMC VI, no. 149, pl. 5 (same rev. die) ; Coh. 539 .
Rare ! ( http://wildwinds.com - ; http://www.acsearch.info - ; coinarchieves.com - ; only two online reference so fat in mix_val´s gallery on http://www.forumancientcoins.com/gallery/displayimage.php?album=2477&pos=22 and http://www.noble.com.au/auctions/lot?id=100190 ; one contemporary imitation on http://finds.org.uk/database/artefacts/record/id/406235 (4.8 g , 22 mm) )