Watch List notes:

KINGS of MACEDON. Archelaos. 413-400/399 BC. AR Stater (22mm, 10.02 g, 11h). Aigai mint. Group II, Series 2. Head of Apollo right, wearing tainia / Horse standing right, foreleg raised, wearing bridle with trailing rein, within incuse square. Westermark, Staters, Group II, Series 1, unlisted dies; HGC 3, 795. Attractively toned, compact flan. Good VF.

The obverse die is stylistically related Westermark's O23, except the diadem is cut in double lines instead of a single band. The reverse die is similar to R33, but differs in the placement of the inverted A before the horse's foreleg.