Bellier 50 XLD100
While I saw a fair few microcars, and they're not uncommon in the UK either nowadays, this was probably the oldest and oddest. Renault 5 lights and bumper (see below), maybe Renault 9 rear lights?
If you're keen there's more about Bellier here:
Looks like they do one with Clio front end.
Also another couple of sites: