I remember seeing an F-Reg 280 Capri many years ago
Also seen an M-reg Saff at a show
W-Reg Esc Cos
There are a few N-reg MK5 Facelift Escorts knocking around
and while it's probably not that unusual, I used to see a few C-reg MK2 Granadas and B-Reg MK3's. I did once see a D-Reg MK2 which was unusual.
Also remember seeing an (80-81) X-Reg MK2 Escort
and whilst it's not a Ford, something I saw which left me scratching my head a few months back was a 2001 X-Reg MK1 MR2...