Watch List notes:

The Roman Empire

Carausius, 286 – 293. Denarius, Londinium 289-290, AR 3.95 g. IMP CARAVSIVS P F AVG Laureate and draped bust r. Rev. VIRTVS SAECC Radiate lion advancing l., holding thunderbolt in its mouth; in exergue, RSR. C –. RIC –. Shiel –.
Apparently unrecorded. Lovely light iridescent tone, flan crack at three o'clock
on obverse, otherwise about extremely fine
Ex Timeline sale 27/30 May 2015, 2221. Found in Hampshire in 2015 (see Portable Antiquities Scheme, reference BM-B49CF4).