The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
San Francisco. California. Union Square. St. Francis Hotel. Smith News. Mirro Krome. H. S. Crocker. Proctor Jones
St. Francis Hotel. Union Squar. San Francisco. California
California. San Francisco. Union Square. Smith News Co. Dexter Press. 1964
Calif. San Francisco. Union Square. E. F. Clements. Lithograph
Calif. San Francisco. Union Square. E. F. Clements. Security Lithograph. Selithco True Color
San Francisco. Calif. Union Square. Heart of the Shopping District. Stanley A. Piltz
California. Palms Along Post Street. Union Square. San Francisco. Cardinell Vincent. 1935
Union Square San Francisco. Kino Color Card. Kinokuniya Book Stores of America. A 141. Printed in Japan by NBC