| File and Date | Plate Number | Letters | Type Imprimatur or Placeholder | Colour | Coments | Owner or contributer |
| 2017/06/13/DT191152.JPG | PLATE183 | LEFTI RIGHTI RIGHTJ | PLACEHOLDER | RED | MIKE WILLIAMS | |
| 2019/08/03/DT223004.JPG | PLATE183 | LEFTI RIGHTI | IMPRIMATUR | RED | BRITISH PHILATELIC MUSEUM |