Watch List notes:

BITHYNIA, Nicaea. Caracalla. AD 198-217. Æ (16mm, 2.46 g, 7h). A K M AVP ANTΩ AVΓ, Laureate head right / NIKAIЄΩN, serpent-entwined staff. RG –; SNG von Aulock –; SNG Copenhagen –; BMC –; Asia Minor Coins online –; apparently unpublished. Near EF, brown surfaces. Extremely rare.