The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
L72. Clarence House. Home of Duke and Duchess of Edinburgh. Tuck
Clarence House. Tuck. No L22
Clarence House. Tuck
L22. Clarence House. Tuck
Clarence House. The Garden Room. H. M. Queen Elizabeth II. Christopher Simon Sykes