Edwardian era, Renault Type EU Open Drive of 1917, SV 5982, on B6054
It seems to have been an event organised by The Veteran Car Club of Great Britain, Midland Section from 26th to 31st August touring in Derbyshire. They made a fine sight and weren't holding traffic up too much.
Manufactured in 1917 but not UK registered with this number until 1996. 2800cc.