The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Congratulations. Series 1171. 1910
Birthday Greetings. Heartiest Congratulations. W. Series 6
Hearty Congratulations. Serie No. 7106. 1912
Birthday Greetings. The Ullman Manufacturing. Congratulation. Series. No. 131. American Post Card
Heartiest Congratulations. I. W. S. Series No. 410. 1917
Greeting Postcard. Birthday Congratulations. Sea. A. and G. Taylor. Reality
Congratulations. Old House. Series 1506. 1910
Great News. Congratulations. 1981. Birch et Birch Ink