The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
H. R. H. The Duke of Edinburgh. Baron. Valentine. RP
H. R. H. The Duke of Edinburgh. Valentine. Baron
H. M. Queen Elizabeth and H. R. H. The Duke of Edinburgh. Valentine. Baron
H. H. Queen Elizabeth II. And H. R. H. The Duke of Edinburgh. Valentine. Baron. RP
H. M. Queen Elizabeth. And H. R. H. The Duke of Edinburgh. Valentine. Baron
H. M. Queen Elizabeth II and H. R. H. The Duke of Edinburgh. Valentine. Baron. RP
H. M. Queen ElizabethII And H. R. H. The Duke Of Edinburgh. Photograph By Baron. Valentine and Sons. E. R. 6. RP