Watch List notes:

BITHYNIA, Nicaea. Severus Alexander. As Caesar, AD 222. Æ Diassarion (20mm, 5.84 g, 7h). M AVP AΛЄZANΔPOC K, bareheaded and cuirassed bust right / N-IKA-IEΩN, Justitia standing left, holding scales and cornucopia. RG –; Weiser, Nikaia –; SNG Copenhagen –. VF, brown patina. Extremely rare, and apparently unpublished.