Watch List notes:

PERSIA, Achaemenid Empire. temp. Darios I to Xerxes II. Circa 485-420 BC. AR Tetartemorion(?) (6mm, 0.22 g). Uncertain mint. Head of the Persian Great King right / Quadripartite incuse square with raised globules in each quarter. Unpublished in the standard references, but see CNG E-376, lot 263; CNG E-351, lot 411; Helios 7, lot 402 for examples in recent sales. Good VF. Very rare.