Watch List notes:

THRACE. Abdera. Circa 500-480 BC. Obol (Silver, 8 mm, 0.53 g). Griffin seated to left, right forepaw raised. Rev. Quadripartite incuse square. HGC 3.2, 1153. May, Abdera 58 (this obverse die). Very rare denomination. Well centered and clear. Very fine.