Watch List notes:

Gallienus (253-268). AE Octassarion, Nicaea mint, Bithynia. [ ]ΛΙΗΝΟC CEB. Radiate, draped and cuirassed bust right. / Octagonal walls of Nicaea with two gates; in exergue, NIKAIEΩΝ. SNG von Aulock -; SNG Cop. -; Weiser 255. AE. 7.22 g. 24.50 mm. R. Rare and interesting architectural type, from aerial perspective. Toned orichalcum surfaces, with green spots. VF.