The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Greeting Postcard. 21 st. Birthday. National series. 1921
Greeting Postcard. All Birthday Joys. National series 2859. 1932
Happy may your Birthday be. National Series. 1910
For my Nephews Birthday. National Series. M. and L. 1922
A Happy Birthday. National Series. postcard. 1918
Birthday Greetings for Father. True Pleasure bless your Birthday. National Series. M. and L. R1023
To Greet your Birthday. National Series. Millar and Lang
To Greet You on Your Birthday. National Series. No. 36