The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Cumbria. Carlisle Castle. Captain Tower and Keep. HMSO. J. Bethell
Carlisle Castle. Captains Tower and Keep. Cumberland. Nicholson and Cartner
Carlisle Castle. Keep and Captain Tower. Valentines Series. 1924
Cumbria. Carlisle Castle. Air View. H. M. S. O. Wilsons Printers. Aerofilms
Cumbria. Carlisle Castle. English Heritage
Cumbria. Carlisle Castle. Eglish Heritage
Queen Marys Tower. Carlisle Castle. WHS. Kingsway Real Photo Series. Printed in Great Britain
England. Cumbria. Carlisle. The Law Courts and English Street. Great Britain. Postcard
