Watch List notes:

Auction 88 Part I
Greek Coins
Lampsacus

Didrachm circa 500-450, AR 6.96 g. Forepart of Pegasus prancing r. Rev. Quadripartite incuse square with irregular surfaces. Gaebler, Nomisma 12, 1923, pl. 1, 10. Baldwin Lampsakos p. 54, 1 and pl. V, 5. Boston 1584.
Extremely rare. Of lovely style and well struck and centred
on a full flan. Extremely fine

Ex Bourgey 1959, Chandon de Brialles, 429 and M&M 88, 1999, 215.