Antoninianus 276-282 Marek Aureliusz Probus Roman Empire Rome AEQVITI

antoninian of billon,
rare AEQVITI code series,
obverse: emperor's bust in radial crown facing left,
PROBV SPF AVG,
reverse: Roma seated in six-column temple on shield facing left,
holding Victory and scepter,
legend ROMAE AETER,
field RV?;

bronze: 3.26g