Watch List notes:

THRACE. Abdera. Circa 450-425 BC. Tetradrachm (Silver, 25 mm, 14.81 g, 3 h), struck under the magistrate Histiaios. Griffin springing to left. Rev. ΕΠΙ ΙΣΤΙ-AΙ-Ο: in shallow incuse square around quadripartite square in relief. HGC 3.2, 1136 var. (magistrate not noted). May, Abdera Period IV, but magistrate not noted. Unpublished magistrate. Scratches on the obverse, otherwise, good very fine.