The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Royal Ascot. HM The Queen and Prince Philip. TB. Thomas and Benacci Ltd. London. RIALTO
Royal Ascot. H. M. The Queen and Prince Philip. Thomas and Benacci. London. Rialto
Royal Ascot. Her Majesty The Queen and Prince Philip. Thomas and Benacci. London. Rialto
Their Majesties the King and Queen with the Royal Princesses. RP. 1938
Queen Elizabeth The Queen Mother. The Queen. The Prince and Princess of Wales and Their Sons Prince William and Prince Henry of Wales. Colourmaster
H. M. Queen Elizabeth the Queen Mother Greeting the Queen and Prince Philip at Scrabster. P. and J. Willmott. Enterprise Royalty Series. Betty Saunders
The Queen and Prince Andrew and Prince Edward. Lansdowne Publishing. LL Series. Studio Lisa. RP
No. 59. The Queen and Prince Philip. Prescott Pickup. Sovereign Pictorial. No. 2