Watch List notes:

KINGS of MACEDON. Philip III Arrhidaios. 323-317 BC. AR Tetradrachm (25mm, 17.01 g, 1h). In the name and types of Alexander III. Miletos mint. Struck under Asandros, circa 323-319 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left, legs parallel; grain ear in left field. Price 2099a; ADM I Series III. Good VF, test cut on edge.

Price 2099 comprises two varieties, one with Zeus' legs parallel (or spread), the other with his legs crossed, though this distinction is not delineated in his corpus. However, the examples in his plates show both varieties, with 2099a having parallel legs, while 2099b has crossed legs.