Watch List notes:

KINGS of MACEDON. Perdikkas II. 451-413 BC. AR Tetrobol (14mm, 2.43 g, 3h). Heavy series. Aigai mint(?). Struck circa 437/6-432/1 BC. Warrior, wearing kausia, holding two spears in left hand and rein in right, on horseback right / Forepart of lion right; kerykeion above; all within shallow incuse square. Raymond 208 (A28a/P25c); SNG ANS 54 (same obv. die). VF, lightly toned, area of flat strike on reverse.

From Group SGF.