The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
H. M. Queen Elizabeth II and H. R. H. The Duke of Edinburgh at the Garter Ceremony
The Queen and The Duke of Edinburgh. Peter Grugeon. Charles. Skilton and Fry. Great Britain. N. 504
The Queen and The Duke of Edinburgh with prince Andrew and Prince Edward. Topical Press. Peter Grugeon
Royal Golden Wedding Anniversary. 20th November. 1947 1997. The Queen and Duke of Edinburgh. J. S. Library International. Dennis
The Queen and the Duke of Edinburgh on the flowered walk at Balmoral. Jarrold. H. R. H. The Duke of York
The Queen and The Duke of Edinburgh. Topical Press. Pitkin Pictorial Postcards. 1972
Her Majesty The Queen. The Duke of Edinburgh and the Prince of Wales. Photo Precision Limited. Colourmaster International
Her Majesty the Queen. The Duke of Edinburgh and the Prince of Wales. Photo Precision Limited. International Colourmaster