Watch List notes:

BITHYNIA. Nicomedia. Valerian I, with Gallienus and Valerian II Caesar, 253-260. Tetrassarion (Orichalcum, 24 mm, 8.32 g, 7 h), 256-258. [AYT OY]AΛЄPIANOC ΓAΛΛHNOC (sic!) OYAΛЄPIAN[OC] Laureate, draped and cuirassed busts of Valerian I and Gallienus facing one another; below and between them, bareheaded, draped and cuirassed bust of Valerian II to right. Rev. NIKOM[HΔЄΩN] - TPIC NЄΩKO/PΩN Three temples; two seen in perspective facing left and right; the one above seen from front with Demeter standing facing within, holding grain ears and torch; in the middle, erected serpent and altar. BMC 68. RG 407. SNG Copenhagen 581. SNG von Aulock 7141. A beautiful dynastic issue. Minor weakness on the obverse and the reverse struck slightly off center, otherwise, good very fine.