The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Westminster Abbey. Unknown Warrior Tomb. Photochrom
Westminster Abbey. Unknown Warriors Tomb. 54640. Photochrom. 1932
London. Westminster Abbey. Tomb of Unknown Warrior and Sir Winston Churchill Memorial Plaque. Valentine Printers and Publishers. Dundee. Printed in Spain. ET. 4897
Westminster Abbey. Unknown Warriors Tomb. Fisa
Westminster Abbey. Tomb of the Unknown Warrior. A. F. B