Watch List notes:

SELEUKID KINGDOM: Seleukos I Nikator, 312-280 BC, AR tetradrachm (17.49g), S-6829, head of Heracles right, clad in lion's skin // Zeus enthroned left, holding eagle & scepter, strike 5/5, surface 1/5, NGC graded choice EF. Described on the slab as "(perhaps plated)", but more likely just pure silver with very light porous surfaces from wherever it was originally buried.

Estimate: 180-220 USD