Watch List notes:

Ptolemaic Kingdom. Ptolemy II Philadelphos. 285-246 B.C. AR tetradrachm (26.5 mm, 14.21 g, 12 h). Diademed head of Ptolemy I right, small Δ behind neck / ΠTOΛEMAIOY BAΣIΛEΩΣ, Eagle standing left on thunderbolt, wings closed; in fields, ΠT / AΘP monogram / ΔΩ monogram - shield. Svoronos 544; SNG Copenhagen 521. Good VF, lightly toned, X graffito in upper right reverse field. 

From the D. Thomas Collection.