The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Post Office Archives and Records Centre. Pheidippides B.C. 490. John Armstrong 1893 1973. Post Office Archives and Records Centre 1993. Tempest
Post Office Archives and Records Centre. Royal Mail A. D. 1935. John Armstrong. 1935. 1993. Of a limited edition of 2500. Beric Tempest
Post Office Archives and Records Centre. Mail Coach A. D. 1784. John Armstrong 1893 1973. 1993. Beric Tempest
John Armstrong. Can spring be far behind. National Gallery for Ministry of Information. Crown. Harrison and Sons Ltd. To His Majesty the King. London
Ireland. Limerick. King John Castle. Shureys Publications. Smart Novels. Yes or No. Dainty Novels. Series of Fine Art Post Cards. 1910
Tewkesbury. King John Bridge. Picture Post Card
Rough Seas at Invergordon. The Kings. John Macpherson Stationer Infergordon. Post Card. 1915
The Black Rock Ross. Shire. The Kings. John Macpherson Stationer. Invergordon. Post Card