Die-axis: 1 o’clock
Diameter: 20 millimetres
Weight: 3.58 grammes
IMP CARAVSIVS P F AVG, Laureate bust of Carausius, right, draped and cuirassed. (obverse)
EXPECTATE VENI, Britannia and emperor standing clasping hands. (reverse)
mintmark RSR
Thank you British Museum for images and text
https://www.britishmuseum.org/collection/object/C_1900-1105-10