Watch List notes:

ARGOLIS. Epidauros. Achaian League, Circa 160-146 BC. Hemidrachm (Silver, 14 mm, 2.39 g, 1 h). Laureate head of Zeus to right. Rev. Monogram of AX; to left and right, Τ - Ι; above, snake coiled to right; below, IΑ. Agrinion 540-541. BCD Peloponnesos 1263.1. Clerk 163. Rare. Clear, toned and struck on a broad flan. Nearly very fine.
From the Maleatas Collection, acquired from Spink's in London in May 1991.