Bithynia, Nicaea, Macrianus (usurper, 260-261), AE tetrassarion (Bronze, 25.7 mm, 7.19 g).
Obv. [TI ΦΟ]YΛ ΙΟY ΜΑΚΡΙΑΝΟC CΕΒ, radiate, draped and cuirassed bust of Macrianus to right.
Rev. NIKAIEΩN, aerial view of the city-walls in the shape of an octagon; arched central gateways above and below.
Ref: RG 867; SNG von Aulock 733; Weiser, Nikaia, 263.