Watch List notes:

Seleukid Empire, Seleukos I Nikator Æ15. Seleucia II, 312-281 BC. Horned horse head right / Anchor; ΒΑΣΙΛΕΩ[Σ] to left, ΣΕΛΕΥΚΟ[Υ] to right, monogram (reverted) to outer right. SC 146 var. (monogram). 3.29g, 15mm, 6h.

Very Fine. Very Rare.

This could be an unpublished type with the reverted monogram or it could perhaps be a die error.