Watch List notes:

Phrygia, Hierapolis. Nero. As Caesar, A.D. 50-54. AE 20 (19.55 mm, 6.38 g, 1 h). struck ca. A.D. 55. Pereitas B grammateus. [N]EP[ΩΝ] KAIΣAP (CCW), bare-headed and draped bust of Nero Caesar right / ΠΕΡΕΙΤΑΣ · Β (ΓΡ) · IEPAΠOΛEITΩN (CCW), Rider-god (Apollo) on horseback pacing right, carrying double-headed axe over shoulder. RPC 2974; Cf. SNG von Aulock 3650; BMC 118. good VF / VF, shiny green patina, rather rough on reverse. Very Rare. 

RPC cites four known specimens for this type