Watch List notes:

Macedon, uncertain, (c.500 B.C.), silver obol, (0.68 g), obv. Crab, seen from above, rev. rough quadripartite incuse area, (S.-, cf.Svoronos pl. xv, 16 [obol]). Toned, good very fine and very rare.

Ex CNG Mail Bid Sale 57, March 28, 2001 (lot 152) (est $300) with their ticket. This is the only example to appear at auction and none listed in Coin Archives.