Mysia, Lampsakos PB 1/24 Mina Weight. Circa 4th-2nd centuries BC. Forepart of Pegasos to left, with curved wing / Blank. O. Tekin, Balance Weights in the Aegean World, Istanbul 2016, p. 86, 14. 20.06g, 22mm x 22mm.
Condition as seen.
From a private UK collection.