The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
I. O. M. Douglas. Old Pier and Harbour. Tuck. Phototype. Series. II. The Isle of Man Times
Douglas. Old Pier and Harbour. Raphael Tuck and Sons. View Series 4773. 1925
I. O. M. Douglas. Old Pier and Harbour. Tuck. Photographic Glosso. Series. II. No. 2577
Isle of Man. Douglas Harbour and Bay. Welldon Cards
Harris Promenade and Pierrots. Douglas. I. O. M. Hartmann
Old Fish Market and Harbour. Douglas. 1899. Millar Nicholson. 1840 1913. Museum and National Trust. Dixon
Isle of Man. Steamers at Douglas Harbour. H. and H. Series No. 731
Douglas. I. O. M. Harbour and Bay by night. Color Gloss View Series. Bamforth. 1971