Watch List notes:

Phrygia, Sebaste. Nero. A.D. 54-68. AE 21 (21.13 mm, 5.85 g, 12 h). struck ca. A.D. 55. Ioulios Dionysios, magistrate. [C]ЄBA - CTOC (ccw - "A" and "T" upside-down), bare-headed, draped bust of youthful Nero right / [CΕ]ΒΑCΤΗΝΩΝ ΙΟΥΛΙΟC ΔΙΟΝΥ[CΙΟC], Jupiter seated left holding eagle and scepter. RPC I 3155/2; SNG von Aulock 3951; SNG Copenhagen 678-80. VF, Green patina with faint deposits of lighter material in recesses, mostly on reverse, largish area of possible incipient BD, 4:00 obverse. 

Very unusual for individual letters in legend to be upside-down - unpublished thus