Watch List notes:

Carausius. Romano-British Emperor, AD 286-293. Antoninianus (19mm, 2.34 g, 6h). 'RSR' mint. Radiate, draped, and cuirassed bust right / SECVRITAS PERP, OP in exergue, Securitas standing left, with legs crossed, leaning on column, raising right hand over head head. RIC V 676. VF, green patina, small flan. Rare.