Watch List notes:

Greece. Thrace, Mesembria. AR Diobol, 450-350 BC. Obv. Crested helmet. Rev. Radiate wheel of four spokes; M-E-T-A within. SNG Stockholm 774. AR. g. 1.32 mm. 11.00 Nicely toned with golden hues. Fully centered. Little area of flatness on obverse, otherwise about EF.