Watch List notes:

Carausius. Romano-British Emperor, AD 286-293. Antoninianus (25mm, 4.53 g, 6h). 'C' mint. IMP CARAVSIVS P F AVG, radiate, draped, and cuirassed bust right / PA X AVG, Pax standing left. holding olive branch in raised right hand and scepter in left; S-P across field. RIC V 475. EF, deep green surfaces with evidence of underlying silvering.

From the J. Eric Engstrom Collection. Ex Berk BBS 134 (8 October 2003), lot 419.