The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Blenheim Palace. The Great Hall. Photo Precision. 1977
Blenheim Palace. The Great Hall. Britannia Colour Limited. Card No. BP 7
Blenheim Palace. The Great Hall. Photo Precision
Blenheim Palace. The Great Hall. Britannia Colour. Allday
Blenheim Palace. The Great Hall. Photo Precision. St. Ives. Huntingdon. Cambs
Blenheim Palace. The Great Court. Italian Gardens. Valentine and Sons Ltd. RP. Multi View
Blenheim Palace. The Green Writing Room. Photo Precision
Blenheim Palace. The Green Writing Room. Photo Precision Ltd
