Watch List notes:

BITHYNIA, Prusias ad Hypium. Gallienus. AD 253-268. Æ (25mm, 11.81 g, 1h). AY Π [ΛI GAΛΛI]HNOC CЄB, laureate, draped, and cuirassed bust right / ΠPOY[CIЄΩN ΠP]OC YΠIΩ, ·H· in exergue, city gate flanked by two towers with domed roof; three arched doorways. Price & Trell 309, Fig. 505 (this coin, rev. illustrated); RG 78; SNG von Aulock 915. Good VF, green and brown patina, minor edge irregularity. Rare.

Ex M&M Numismatics I (7 December 1997), lot 183; Auctiones AG 15 (18 December 1985), lot 267; Pierre Bastien Collection.