Watch List notes:

ARKADIA, Arkadian League. Circa 450-440/30 BC. AR Triobol – Hemidrachm (13.5mm, 2.83 g, 12h). Mantinea mint. Zeus Lykaios seated left, holding scepter; eagle flying left from his hand / Head of Kallisto right within incuse square. Williams, Confederate, Period IV, 1, 251 (O165/R159); BCD Peloponnesos (Kleitor) 1460; HGC 5, 915; Boston MFA 1253 (same dies). Deeply toned. VF. Excellent metal for issue.

From the Matthew Curtis Collection.