CNG 109, Lot: 419. Estimate $500. Sold for $800. This amount does not include the buyer’s fee.

MESOPOTAMIA, Singara. Gordian III, with Tranquillina. AD 238-244. Æ (32mm, 21.17 g, 12h). Confronted busts of Gordian right, laureate, draped, and cuirassed, and Tranquillina left, draped and wearing stephane / Tyche seated left on rocks, holding palm branch; above, centaur leaping left. BMC 8-11; SNG Copenhagen 257. EF, green patina. Choice for type.

From the Douglas O. Rosenberg Collection, purchased from Classical Numismatic Group at the Chicago International Coin Fair, 1993.