Watch List notes:

ACHAIA, Achaian League. Pallantion. Early 1st century BC. AR Triobol or Hemidrachm (15mm, 2.03 g, 1h). Laureate head of Zeus right / AX (Achaian League) monogram; in field, Π-A-Λ; below, EY monogram and trident; all within laurel wreath. Benner 4; BCD Peloponnesos 1593.2; HGC 5, 969. VF, some tooling and fields lightly smoothed on the obverse.

Ex Demetrios Armounta Collection (Classical Numismatic Group Electronic Auction 320, 12 February 2014), lot 100.