Watch List notes:

ACHAIA, Achaian League. Kaphyai. Circa 160-146 BC. AR Triobol – Hemidrachm (15mm, 2.47 g, 7h). Laureate head of Zeus right / Monogram of the Achaian League; K to left, IΩ above, A to right; below, helmeted head of Athena right; all within laurel wreath. Benner 3; BCD Peleponnesos 1382.1; HGC 5, 849. Toned, minor deposits. VF.

From the Professor Charles Schulz Collection. Ex Harlan J. Berk BBS 150 (8 August 2006), lot 222.