Very rare antoninianus of Florian one of the shortest reigning Emperors.
Unlisted in printed catalogue "Roman Imperial Coinage".
Roman Imperial
Florian (276), Antoninianus 276, Siscia mint
Obverse: radiate bust of the emperor right
IMP C M AN FLORIANVS P AVG
Reverse: Florian, on the left, and Concordia, on the right, standing facing and clasping their right hands, T in exergue
CONCORD MILIT
Diameter 22 mm, weight 3.53 g