IMP C FL VAL CONSTANTINVS PF AVG, laureate head right. / IOVI CONSERVATORI, Jupiter standing left, holding Victory on globe and leaning on sceptre, eagle at foot left with wreath in its beak, gamme  to right. Mintmark pSMN]. 21mm, 3.6 grams. Nicomedia mint, minted 313-317 AD. SKU x3574-v7761