Watch List notes:

SATRAPS of CARIA. Hidrieus. Circa 351/0-344/3 BC. AR Tetradrachm (23.5mm, 15.10 g, 12h). Halikarnassos mint. Head of Apollo facing slightly right, wearing laurel wreath, drapery around neck / Zeus Labraundos standing right, holding labrys and inverted spear; Ǝ to left, IΔPIEΩΣ to right. Konuk, Identities 28; Babelon, Perses –; HN Online 2209; Pixodarus 6 (same dies). Lightly toned, some redeposited silver, slight die shift on reverse. Near EF. Rare with this control mark, only two in CoinArchives.

From the Menlo Park Collection, purchased from Palladium Numismatics, December 1998.