The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Tower Blackpool. Postcard
Blackpool Tower. Postcard
Blackpool. The Tower. Postcard. RP. 1951
Blackpool. The Tower. Postcard
Blackpool. The Tower. Postcard. 1906
Blackpool. The Tower. Postcard. 1948