The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. Horse Guards. The Changing of the Queen Life Guard at Horse Guards
London Military Life. Horse Guard Sentries. Whitehall. Royal Horse Guards. Changing Guard. Valentine. RP. 1956. Multi View
The Queens Life Guard. London. Horses. The Mall to Horse Guards. Whitehall. London. I. V. P. Limited. United Artists
Royal Horse Guards. Changing Guard. Whitehall. London. 72306. Horses. Valesque Postcard. Valentines. 1961
Royal Horse Guards at Changing of Guard. Horses. Conrad Leigh. A2242. Art Colour. Valentines
11809. Horse Guards. Whitehall. Changing Guard. London. Kingsway Real Photo Series
Changing Guard. Horse Guards Parade. London. 661. RP
L. P. 209. Ceremony of Changing Guard. Horse Guards Parade. London. Lansdowne Production. RP