The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Hotel Frederiksvaerk. Rudolf Olsen. Kunstforlag. Eneret. Nr. 9368
The Grundtvig Church. Copenhagen. Rudolf Olsen Kunstforlag. Kobenhavn
Bornholm. Snogebaek Havn. Rudolf Olsen. Kunstforlag A. S. Kobenhavn. William Dams Boghandel A. S. Copyright Nr. 1734
Copenhagen. The Town Hall. Rudolf Olsen Kunstforlag. 1958
Copenhagen. The Town Hall Square. Rudolf Olsen Kunstforlag AS. 1976
Copenhagen. Christiansborg Palace. Rudolf Olsen Kunstforlag AS
Copenhagen. Nyhavn at Night. Rudolf Olsen. Kunstforlag AS. Kobenhavn. Denmark
Copenhagen. Gammel Strand. Rudolf Olsen Kunstforlag. Denmark. 1971
