The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Humberside. Thornton Abbey. the Gatehouse. Inner Side. Crown
Lincolnshire. Thornton Abbey. The Gatehouse. Outer Side. Crown
Thornton Abbey. The Gatehouse. Outer Side. Ministry of Works. Crown
Lincolnshire. Thronton Abbey. The Gatehouse. east front. Colin Richardson Printers Limited. Crown. 1976
Pembroke Castle. Barbican Tower and Gatehouse. Judges limited. 25370. Hastings. England
East Sussex. Battle Abbey. The Gatehouse From the South. H. M. S. O. Larkfield Printing. Crown
Yorkshire. Roche Abbey. The Gatehouse. Inner Arch. Crown
Tewkesbury. The Abbey Gatehouse. Derry Brabbs