The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Frederikshavn. Rudolf Olsen. 1976. Multi View
Kobenhavn. View of the Harbour. Rudolf Olsen. 1938
Hotel Frederiksvaerk. Rudolf Olsen. Kunstforlag. Eneret. Nr. 9368
Fredensborg. Rudolf Olsen. Multi View
Frederiksberg Have. Rudolf Olsen. No 4993
Frederiksborg Slot. Rudolf Olsen. Nr. 1093. 1948
Frederiksborg Slot. Rudolf Olsen. Nr. 3294
Copenhagen. Rosenborg Castle. Rudolf Olsen. 1978
