The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Mont Orgueil Castle. Gordon. The Photographic Greeting Card. Natural Colour Series
Jersey. C. I. Mont Orgueil Castle. Gordon and Deyermond. Photographic Greeting Card. Natural Color Series
Jersey. Mont Orgueil Castle. Floodlit. Gordon. Deyermond. The Photographic Greeting Card. Natural Colour Series. 1967
Mont Orgueil Castle. Jersey. Gordon. Natural Colour Series. Photographic Greeting Card
Mont Orgueil Castle. Gordon. Son and Deyermond Ltd. Photographic Greetings Card Co. Ltd. Natural Colour Series. 1972