BITHYNIA. Prusias ad Hypium. Valerian I, 253-260. Tetrassarion (Bronze, 24 mm, 6.44 g, 7 h). ΠOYB ΛIKIN BAΛEPIANOC AY (sic!) Radiate and cuirassed bust of Valerian I to left, holding shield; on back of the head, countermark of H within round incuse (revalued as an Octassarion). Rev. ΠPOYCIEΩN ΠPOC YΠIΩ[N] Draped and cuirassed bust of the eponymous hero Prusias to right. SNG von Aulock 912 corr. (obverse legend). For countermark, Howgego 823. Rare. Flan crack from countermarking, otherwise, very fine.
From the Ktistes Collection.