The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
His Royal Highness. The Duke of Edinburgh. Photochrom. Baron
His Royal Highness. The Duke of Edinburgh. Baron. Photochrom
Her Majesty Queen Elizabeth II and His Royal Highness the Duke of Edinburgh at Buckingham Palace. Kardorama
Her Majesty The Queen and His Royal Highness The Duke of Edinburgh. Pitkin Pictorials. London. Karsh of Ottawa
Victoria and Albert Museum. Sir Cecil Beaton. Coronation Her Majesty Queen Elizabeth II and His Royal Highness the Duke of Edinburgh
Rapid Photo. The Royal Highness the Prince of Wales. Dinham Torquay. London E. C. 2264
His Royal Highness The Prince of Wales. Colonel in Chief The Royal Regiment of Wales. Beric Tempest