Watch List notes:

Thracian Kingdom. Lysimachos. As King, 306-281 B.C. AV stater (20.2 mm, 8.19 g, 1 h). Tomis mint. Diademed head of the deified Alexander right, wearing horn of Ammon / BAΣIΛEΩΣ ΛYΣIMAXOY, Athena Nikephoros seated left, left arm resting on shield, spear behind; monogram to inner left, TOM in exergue. Thompson -; Müller -. VF, deep test cut. Very Rare. 

Unpublished in standard references. This is either a lifetime coin of Lysimachos or an early posthumous issue, but it is almost certainly a transitional type used during the time of the Syrian wars with Ptolemy.