The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Royal Horse Guards changing Guard. Whitehall. C. 523. RP
Royal Horse Guards. Changing Guard. Whitehall. London. 72306. Valentines. RP. 1953
Royal Horse Guards. Changing Guard. Whitehall. London. Valentine. RP. 19
Royal Horse Guards. Changing Guard. Whitehall. London. Valentine. Photo
Royal Horse Guards. Changing Guard. Whitehall. London. Valentine. No 72306. RP
Royal Horse Guards. Changing Guard. Whitehall. London. Valentine. No 72306. RP. 1936
Royal Horse Guards Changing Guard. Whitehall. London. Valentine. Silveresque
Royal Horse Guards. Changing Guard. Whitehall. London. Valentine. No 42868. RP. 1933