Watch List notes:

Seleucid Empire, Antiochus I (280-261 BC), tetradrachm, Seleucia on the Tigris, diademed head right, rev., Apollo seated left on omphalos holding arrow and bow, 16.99g (SC 378.3; SNG Spaer 287), toned, good very fine

Estimate: 400 - 500 GBP