Watch List notes:

THRACE, Byzantion. Alliance coinage with Kalchedon. Late 3rd-2nd centuries BC. Æ (23mm, 5.51 g, 12h). Diademed head of Poseidon left / Prow left. Schönert-Geiss, Byzantion 1290-1 var. (V1/R- [unlisted rev. die]); Türkoğlu A4; HGC 3, 1430. Dark green-black patina, a few minor pits. Good VF. Very rare, better than the specimens listed in Schönert-Geiss.


From the Martinez Collection. Ex Alexandre de Barros Collection (Classical Numismatic Group 75, 23 May 2007), lot 101; Aufhäuser 13 (7 October 1997), lot 24.