Watch List notes:

Thrace, Kalchedon. 357-340 B.C. AR diobol or 1/10 siglos (11.50 mm, 1.23 g). Persic standard. ΠΥ, cow standing left on dolphin, right foreleg raised, all within dotted border / "mill sail" incuse punch. Cf. BMC 3, 17-21; Cf. SNG Cop 479 ff. (hemi-drachm); . VF, some porosity, reverse.