The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Greeting Postcard. Many Happy Returns. Flowers. 1921
Many Happy Returns. Lake. Flowers. 1921
Many Happy Returns. Flowers. Painting. Postcard. 1921
Greetings. Many Happy Returns Sister. Flowers. Regent. RP. 1921
Many Happy Returns. Flowers. Series. No. 94. 2. 1921
Greetings. Many Happy Returns of Your Birthday. Flowers in Basket. Valentine. 1921
Many Happy Returns. Young Woman with Flowers. W. and K. No. 4862. 1921
Many Happy Returns. Flowers. The Philco. London