Drachm - Antiochos I Soter Seleukeia on the Tigris

Antiochos I assumed sole rule in 281 BC following the assassination of his father Seleukos I at the hands of Ptolemy Keraunos, inheriting an empire perpetually at war on multiple fronts. Seleukeia on the Tigris was the administrative and commercial heart of the eastern territories — not a peripheral mint but the dominant production center for coinage circulating through Babylonia and beyond.

The SC reference places this among the exhaustively catalogued Newell material refined by Houghton and Lorber. Die studies on this series have confirmed significant output variability across the reign, with some sub-types showing pronounced reuse of worn obverse dies before replacement.