Watch List notes:

ACHAIA, Achaian League. Megalopolis. Circa 160-146 BC. Tetrobol (Silver, 14 mm, 2.07 g, 5 h). Laureate head of Zeus to right. Rev. Monogram of the Achaian League; across field, K-A; above, ΞΒ; below, M; all within laurel wreath. BCD Peloponnesos 1551.1. Benner 17. Clerk -. Light porosity, otherwise, very fine.