The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Cornish Seas. J. Arthur Dixon. 1971
Cornwall. The Cornish Seas. J. Arthur Dixon
The Cornish Seas. J. Arthur Dixon
Common Seal. J. Arthur Dixon. Jane Burton
Common Seal. J. Arthur Dixon. No. 2. Jane Burton. Bruce Coleman