Watch List notes:

THRACE. Maroneia. Circa 398/7-348/7 BC. Triobol (Silver, 16 mm, 2.77 g, 12 h). E Y [Π] Forepart of a horse to left. Rev. ΜΑ Grape cluster on a vine within dotted square. Schönert-Geiss 226 (V26/R29). SNG Copenhagen 614 (same obverse die). Sharp and nicely toned. Extremely fine.

From the Vineyard Collection, ex Classical Numismatic Group 50, 23 June 1999, 571.