The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Many Happy Returns. The Wish is from My Heart Sincere. 1925
Many Happy Returns. Happy Returns the words are old. H. Vertigen. No. 5974. 1910
To Wish You Many Happy Returns. The W. and K. RP
Many Happy Returns. The W. and K. RP
Greeting Postcard. Many Happy Returns. The Popular. No 155. 1917
A Bright Bright. Many happy returns. The Philco Publishing. 1909
Greetings. Many Happy returns. Windmills near the Canal. 1924
Many happy Returns. The Carlton Publishing Company. 8043