The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Rotterdam. Westersingel en Mauritsweg. Trenkler
Rotterdam. Westersingel en Mauritsweg. Dr. Trenkler
Rotterdam. Park. Trenkler
Rotterdam. Park. Dr. Trenkler
Rotterdam Park. Dr. Trenkler. 1908. Rtt. 102. No. 41653
Rotterdam. Maasgezicht. Dr. Trenkler
Rotterdam. Plantageweg. Dr. Trenkler. 1908