Watch List notes:

The Seleukid Kingdom - Antiochos I Soter (281-261 BC) - AR Attic tetradrachm (11.61 g.). Aï Khanoum mint. Struck circa 271-266 BC. Diademed head right / Apollo Delphios, testing arrow and resting hand on grounded bow, seated l. on omphalos; Δ monogram to inner l. Exquisite portrait. Very rare. General features gVF, but show a black patina, light in weight and brittle on the edges. The provenance of the coins with these features can be traced back to the Mir Zakah II hoard. Ref.: Newell 705; MIG 59, but unpublished with Δ monogram, similar ZENO 138244.