Watch List notes:

Carausius BI Radiate. London, October AD 287 - March 288. IMP CARA[VSIVS P F AVG], radiate, draped and cuirassed bust to right / PAX AVG, Pax standing to left, holding olive branch and transverse sceptre; F-O across fields, ML in exergue. RIC V.2 -, cf. 101; Webb -, cf. 128. 2.40g, 20mm, 8h.

Good Fine. Possibly overstruck.

From a private UK collection.

Several extra letters are visible in the reverse legend which, coupled with the somewhat jaunty pose of Pax, might be suggestive of this being an overstrike.