Watch List notes:

ACHAIA, Achaian League. Patrai. Circa 175-168 BC. AR Triobol – Hemidrachm (14mm, 2.37 g, 12h). Laureate head of Zeus right; ΔI to left / Achaian League monogram; Δ to left, I to right; below, trident right; all within laurel wreath. Benner 20; BCD Peloponnesos 502 var. (no letters on obv.); HGC 5, 53. VF, slightly off center on obverse.

From the J. Cohen Collection. Ex Pecunem/Gitbud & Neumann 28 (1 February 2015), lot 78.