Antiochos I Soter, tetradrachm, silver, reign 281-261 BC, minted 281-261

Antiochos I Soter, tetradrachm, silver, reign 281-261 BC, minted 281-261 BC, 17.05 g, 28 mm. Obverse: diademed head of Antiochos I right; legend ΒΑΣΙΛΕΩΣ ΑΝΤΙΟΧΟΥ around. Reverse: Apollo seated left on the omphalos, holding arrow in right hand and resting left hand on bow; no exergual legend; control marks as on type SC 379.3. Strike: hammered, well-centered with full flan; moderate relief on both sides. Toning: light grey cabinet patina with darker recesses. References: Seleucid Coins (SC) 379.3; Houghton & Lorber; HGC 9 128; SNG Spaer 44. This silver tetradrachm belongs to the early Seleucid monetary system inaugurated after the Battle of Ipsos and the succession of Antiochos I Soter. Struck at Seleucia on the Tigris, the coinage supported the consolidation of Seleucid authority in Mesopotamia and furthered economic integration across newly acquired territories. The obverse portrait advances the royal image tradition begun by his father Seleukos I, reinforcing dynastic legitimacy, while the reverse type of Apollo seated on the omphalos references both Apollonian patronage and continuity with earlier Macedonian coin iconography. These issues circulated widely, facilitating military pay and trade throughout the empire during Antiochos I’s campaigns against Galatian and Ptolemaic forces.