ISTROS , Stater or Drachm, 400-350 BC, Two facg hds, right inverted/Eagle atop dolphin, A below, S1669 (£225); AF, centered, flake off flan at obv edge, otherwise decent metal with medium tone. Some scholars suggest the heads represent the Dioskuroi. Others say Heckel & Jeckel. (A F brought $201c on $233 bid in my 12/91 sale.)