The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Vaduz. Ausgabetag. Furstentum Liechtenstein. Special Stamps. Field Crops. Nr. 67. 9. th. September. 1986
Grote Postkoetsenrace 13 20 September 1986. Groningen. Franeker. Leeuwarden. Makkum. Alkmaar. Haarlem. Leiden
Royal Mail Postcard. G. P. O. 1. Mobile Post Office. Inaugurated. On 30. September 1936. the First Post Office on Wheels. G. P. O. Post Office South East