Watch List notes:

Bithynia, Kalchedon Æ28. Circa 240-225 BC, countermarked at Byzantion and Kalchedon c. 220 BC. Jugate heads of Apollo and Artemis to left; c/m above to left / Kithara; KAΛXA-ΔONIΩN around; c/m below to left. SNG BM Black Sea 139; Waddington, Recueil Général 31; HGC 7, 535. 8.78g, 28mm, 11h.

Good Fine. Extremely Rare.

From the William Stancomb Collection;
Acquired from 'Rhode', November 2007.