Aes is the Latin word for bronze, also used to designate the early forms of Roman Republican currency.[1] The word was later standardized as As, low-value coins that were produced until the reign of Emperor Diocletian, who ruled from 284 to 305 AD.
- ^ Michael Crawford in Oxford Classical Dictionary, 2015 https://oxfordre.com/classics/view/10.1093/acrefore/9780199381135.001.0001/acrefore-9780199381135-e-143