Watch List notes:

MYSIA. Pergamon. Circa 450 BC. Diobol (Silver, 11 mm, 1.50 g, 9 h), Gongylos or Eurysthenes (?) as satrap. Laureate head of Apollo to right. Rev. ΠΕΡ-Γ Bearded male head to right, wearing satrapal headdress; all within incuse square. SNG Paris 1547. SNG von Aulock 1347. Winzer 7. Rare. Porous, otherwise, good very fine.