Watch List notes:

Macedonia, Olynthos. Silver Tetrobol (2.25 g), ca. 500-450 BC. Horse advancing right; in background, Ionic column; above, flower. Reverse: O-Λ-Y-N, eagle facing, head right and wings displayed, devouring serpent; all within incuse square. SNG ANS 464. Very Rare. Lightly toned and sound metal. About Very Fine. Estimate Value $250 - 300
From the Hanbery Collection; Purchased privately from V. England in the early 1980s.