Watch List notes:

Diocletian. AD 284-305. Antoninianus (23mm, 3.71 g, 6h). Londinium (London) mint. Struck under Carausius, AD 286-293. IMP C DIOCLETIANVS P F AVG, radiate and cuirassed bust right / PAX AVGGG, Pax standing left, holding up olive branch and vertical scepter; S | P//MLXXI. RIC V 5 var. (mintmark); CNG E-234, lot 410 (hammer $360). Brown surfaces, pitting. VF.

From the Bellweather Collection, purchased from Empire Coins, 27 September 1986.