Horse Guards Parade London - This is a divided back postcard dated 1904 and shows three Coldstream Guardsmen on Horse Guards Parade with the Cadiz Memorial in the background. The Cadiz Memorial is a French mortar in the shape of a Chinese Dragon, it was given to the Prince Regent in 1812 by the Spanish Government to mark the lifting of the siege of Cadiz by the Duke of Wellington during the Peninsular war.