The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Dinner time. Designed and Produced by Inmater of H. M. Prison Canterbury 1992. Postcard
Dinner Time. H. M. Prison Canterbury 1992. Designed and Produced by Inmates of H. M. P. Canterbury. Postcard
Smothing can seriously damage your health. Inmates of H. M. P. Canterbury. Charitable Purposes. H. M. Prison Canterbury Juns 1992
Oops. H. M. Prison Canterbury June 1992. Postcard
Body Search. H. M. Prison Canterbury June 1992. Postcard
Canterbury. Westgate. Kent
The CB 10 Code. Petley Studios. Plastichrome