Watch List notes:

SELEUCIS and PIERIA, Antioch. Trebonianus Gallus. AD 251-253. BI Tetradrachm (26mm, 10.89 g, 1h). 4th officina. Struck AD 252-253. Laureate, draped, and cuirassed bust right, seen from behind; •••• below / Eagle standing facing, head and tail left, with wings spread, holding wreath in beak; Δ in exergue. McAlee 1178d; Prieur 688; RPC IX 1846. Toned. Good VF. Extremely rare, two known to Prieur, and four in CoinArchives, two known to RPC.