Watch List notes:

ISLANDS OFF THRACE, Thasos. Circa 500-463 BC. Stater (Silver, 22 mm, 7.54 g), c. 500-480 BC. Ithyphallic satyr advancing to right, carrying protesting nymph. Rev. Quadripartite incuse square. Le Rider, Thasiennes 2. SNG Copenhagen 1008. Toned and clear. Very fine.

From the collection of W. F. Stoecklin, Amriswil, Switzerland, acquired from Hess in Luzern prior to 1975.

A coin of curiously light weight: since it is certainly not plated it must have been a mint error.