Watch List notes:

ACHAIA, Achaian League. Patrai. Circa 175-168 BC. AR Hemidrachm (15mm, 2.38 g, 11h). Laureate head of Zeus right / Monogram of the Achaian League; in fields, Δ-I; below, trident right; all within laurel wreath. Benner 19; BCD Peloponnesos 501.5 and 502; HGC 5, 53. Lightly toned. Good VF.

Ex BCD Collection (Classical Numismatic Group Electronic Auction 221, 28 October 2009), lot 138.