The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Harmony. Woman playing violin and man playing piano. 1909. Ullman. American Post Card. Photogravure Series No. 138. Subject No. 2446
Woman and man. Piano. Serie 2308. Postcard
A little girl standing on a desk. Woman and man. Old Photography
Man and Woman. Old Photography
Woman and Man. Old Photography
Earth holds no greater joy. Man and Woman. Old Photography. The Carlton Publishing. 1912