Watch List notes:

BITHYNIA, Nicomedia. Julia Mamaea. Augusta, AD 222-235. Æ Chalkous (16.6 mm, 2.38 g, 6h). IOYΛIA MAMAIA AYΓOY, diademed and draped bust right / NIKOMHΔЄΩN ΔIⳞ NЄΩKOPΩN, galley right with three oarsmen.