SYRIA, Seleucis and Pieria. Antioch. Trebonianus Gallus, 251-253. Tetradrachm (Billon, 25mm, 8.61 g), 251. AYTOK K Γ OYIB TPЄB ΓAΛΛOC CЄB Laureate, draped and cuirassed bust of Trebonianus Gallus to right, seen from behind; below bust, •. Rev. ΔHMAPX ЄΞOYCIAC / S C Eagle standing left on ground line, wings spread and head to right, holding wreath in beak; between the eagle's legs, A.