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Postumus, Colonia / Cologne / Köln mint, 260 AD., Æ Double Sestertius (33-34 mm / 22,91 g), bronze, axis coin alignment ↑↓ (ca. 180°), Obv.: IMP C M CASS LAT POSTVMVS PI AVG (sic.) , radiate, draped and cuirassed bust of Postumus right, excellent Cologne mint bust style, spelling error or abbreviated title as `Postumus pius augustus´. Rev.: [RE]ST[ITVTOR G]AL-LIA[R] , Postumus as `The Restorer of Gallia´, in military dress, standing left, holding vertival spear in left his hand extending his right hand to kneeling Gallia, who is also holding a spear, double strike. cf. Bastien 27-29 ; cf. Mairat, 2014 (unpublished PhD Thesis) 72–74 (obverse similar to 73/1, but attributed to Trier) ; cf. RIC 157, cf. Elmer 202 ; cf. Zschucke 301 . Extremely Rare.
untouched surfaces, double strike on reverse, uncleaned, green olive patina with sand
Soon after seizing control of Roman Gaul and Germania, Postumus commenced an impressive coinage to pay his soldiers to keep them loyal to his breakaway regime. One of his decisions was to revive the short-lived double sestertius denomination introduced by Trajan Decius about a decade before. These bronzes can be identified as double sestertii by the use of a radiate crown on the obverse; however they are often overstruck on older sestertii and hence no bigger or heavier than the single denomination. At 33mm this piece is actually the same diameter but lower weight as the Trajan Decius coin.
As Gallienus' military commander on the Rhine, Postumus was left in charge in the West when the emperor was called to defend the Danubian frontier. Although it is unclear if he usurped power and had Gallienus' son Saloninus killed, or was raised to the purple by his army, Postumus took to the role of emperor of his 'Gallic Empire' of Spain, Gaul and Britain very well, protecting the frontiers against both Germanic invasion, and the true Emperor Gallienus in 265. For this he earned the admiration of the ancient writers, and the right to use reverse types and legends such as the extremely rare example of this sestertius where he presents himself as the restorer of Gaul. At the beginning of his reign Postumus struck coins on earlier weight standards and in good metal as a means of harking back to a golden age of Rome, which he was intent on restoring in his 'Gallic Empire'.