The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Kolk. Amsterdam. J. V. A. Postcard
Amsterdam. O. Z. Kolk. RP
Amsterdam. O. Z. Kolk. Dr. Trenkler
Amsterdam O. Z. Kolk. Weenenk
Amsterdam. O. Z. Kolk. Brouwer and De Veer
Amsterdam. O. Z. Kolk
Amsterdam. O. Z. Kolk. J. V. A
Amsterdam. O. Z. Kolk. S. Sealtiel. No. 8
