Watch List notes:

ACHAIA, Achaian League. Messene. circa 175-168 BC. Hemidrachm (Silver, 15 mm, 2.38 g, 2 h), Laureate head of Zeus to right. Rev. Monogram of AX franked with O-P; above, M; below, ΞE, all within wreath. Obv. of BCD Peloponnesos 722.6, 722.7, 724; Rev of BCD Peloponnesos 722.5. A very interesting unattested combination of dies that link the dies of BCD 722.5 with those of BCD 722.6. Nearly extremely fine.