Watch List notes:

Roman Ae Antoninianus, Allectis, usurper in Britain (293-296AD) Colchester mint. Obverse: Bust right radiate and cuirassed IMP ALLECTVS AVG, Reverse Galley with crew of six and four oars, VIRTVS AVG, QC in exergue, NVF/GF with green patination

Estimate: 40-80 GBP