SELEUCIS and PIERIA, Antioch. Trebonianus Gallus. AD 251-253. BI Tetradrachm (26mm, 15.45 g, 11h). 7th officina. Struck AD 251. Laureate, draped, and cuirassed bust right; Z below / Eagle standing facing, head and tail right, with wings spread, holding wreath in beak; Z between legs; S C in exergue. McAlee 1173g; Prieur 669; RPC IX 1814. Reddish deposits, light porosity. VF.