| File and Date | Plate Number | Letters | Type Imprimatur or Placeholder | Colour | Coments | Owner or contributer |
| 2010/05/23/DT111115.JPG | PLATE186 | LEFTI RIGHTI | PLACEHOLDER | RED | MIKE WILLIAMS | |
| 2019/08/03/DT223054.JPG | PLATE186 | LEFTI RIGHTI | IMPRIMATUR | RED | BRITISH PHILATELIC MUSEUM |
