'I had not the Carausius you mention till about two years ago; it is an unique and very curious; it relates particularly to his naval power and success at sea against the emproros Diocletian and Maximian; on one side it bears Caput Carausii laureatum, humeris paludatis, IMP CARAVSIVS P F AVG. On the reverse – Neptunus in rupe sedens, dextra anchorae innititur, sinistra hastam puram tenens erectam. CONSERVAT AVG. Conservator Augusti. It is of copper, and the largest size of that emperor’s coin. I think Dr Genebrier’s performance to be good in the main, though he sometimes advances things which I think his proofs do not support. The whole is writ with a true French air and spirit; he frequently mistakes the chorography of Britain, the names of places and their situation.'
(Nichols 1781-1790, pp. 77-80; Burnett 2020b, pp. 1661)