Trebonianus Gallus. Tetradrachm; Trebonianus Gallus; 251-253 AD, Antioch, Tetradrachm, 11.31g. McAlee-1176f (Rare), Prieur-681 (11 spec.). Obv: AVTOK K G ?V?? TPEB GA??OC CEB Bust laureate, draped, cuirassed r., Z (officina 7) below. Rx: ?HMAPX E?OVCIAC Eagle with spread wings standing r., head l., wreath in beak, Z (officina 7) between legs, S C in exergue.. MS