The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Letter From An Unknown Woman. Max Ophuls. Eureka
Unknown man and woman. Folklore. Sand and Sea. A. G. M. Post Card
Unknown Letter. Union Internationale de Protection de l Enfance. Geneve
Unknown letter. Postcard
Unknown Letter. Postcard. 1911
Unknown Letter Handwritten. PM Vaucluse. Postcard. 1902
Unknown Place. House. Woman and Man. Garden
Unknown Place. House. Lantern. Woman