The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. Whitehall. The Horse Guards. Series No 333. 1922
London. Whitehall. Horse Guards. Series A. No. 27
London. Whitehall. Horse Guards. 1922
London. Horse Guards. Whitehall. P. G. H. Series
The Sentries. Horse Guards. Whitehall. London. No. 132. Art Colour. Valentine
The Sentries. Horse Guards. Whitehall. A. 132. Art Colour. Valentines. A132
