Robuta

https://www.hobbyray.com/en/coin_definition-1_Antoninianus-Silver-Gallic_Empire_(260_274)-2aHBwcI0JVAAAAEmYFE6TOhI.htm 1 Antoninianus 260-269 Gallic Empire (260-274) Silver Postumus (260-268) | Prices & Values gallic empire antoninianus silver postumus prices