Trebonianus Gallus - Eagle Tetradrachm 251-253 A.D. Antioch mint. Obv: AYTOK K G OYIB TREB GALLOC CEB legend with laureate, draped and cuirassed bust right, seen from the back, one dot beneath neck. Rev: DHMARX EXOYCIAC legend with eagle standing right, head and tail left, holding wreath in beak; A between legs, SC below. Prieur 656; BMC 636. 8.85 grams. . Ex Twickenham collection, UK. [No Reserve]