The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
To Wish You a Happy Birthday. Series. 4000
To Wish You A Happy Birthday. B. B. Series No. 288 3. 1921
To Wish You a Happy Birthday. B. B. Series. No. B. 67
Happy Days. For your Birthday. I wish you a Happy Birthday dear. Series No. 4174. RP. Greeting Card
To Wish My Sweetheart A Happy Birthday. British Production Throughout
A Happy Birthday. To my Sweetheart. B. B. Series No. B 88. 1917
To Wish You a Happy Birthday. Roses. Series No. B. 277. 1918
To Wish You a Happy Birthday. Roses. Series. No. 317