Watch List notes:

SIKYONIA, Sikyon. Circa 330/20-280 BC. AR Triobol – Hemidrachm (15mm, 2.80 g, 11h). Chimaera advancing left, raising forepaw; retrograde ΣI below / Dove flying left; I to left. BCD Peloponnesos 286 corr. (same dies; I not noted on rev.); HGC 5, 213. Toned, edge scuff. VF. Very rare with retrograde ΣI.

From the Mercury Group Collection.