Julia Mamaea AE18 of Nicaea, Bithynia. 4.55g. AD 222-235. 

IOVLIA MAMAIA AVG, draped bust right
N-IK-AI-E-WN, between and beneath three standards. 

Weiser Nicaea 33; Pazardzhik Museum 278.

Scarce.

With permission of VAuctions auction 323, Lot 343, March 2017.