Mantinea, Arkadia, AR Obol. 420-385 BC. 8mm, 0.94 g.

Acorn
Large M within incuse square.

BMC 7; Traite II-3 959 var (has MAN below); BCD Pelop. 1472.1; HGC 901.

With permission of cngcoins.com, auction 94, Lot 390, Sept. 2013.
Estimate: $500