Watch List notes:

BITHYNIA. Nicomedia. Commodus, 177-192. Diassarion (Bronze, 24 mm, 7.24 g, 7 h), circa 182-184. Α[Υ] Κ Μ ΑΥ ΚΟΜ ΑΝΤΩΝΙ[Ν] Laureate head of Commodus to right. Rev. ΜΗΤ Ν[ЄΩ ΝΙΚΟΜ] Turreted, veiled, and draped bust of Tyche to right; to upper left, countermark: laureate head to right within round incuse. RPC online IV.1 6111. For countermark, Howgego 67. The reverse with some flatness from countermarking, otherwise, about very fine.