The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
New York City. The Channel Gardens. Rockefeller Center. with Flags of the United Nations in the Background. Alfred Mainzer. Mike Roberts. A. Devaney. 1910
New York City. The Channel Gardens. Rockefeller Center. Alfred Mainzer. Dexter Press
Rockefeller Center. The Channel Gardens at 50th Street and Fifth Avenue Change With the Seasons. From the Visitor Guide to New York City. Eisinger Communications
N. Y. New York. Rockefeller Center. The Channel Garden. Acacia card
The Channel Gardens at Rockefeller Center in Spring Dress. 1976
The Channel Gardens at Rockefeller Center in Spring Dress Hundreds of Blossoms. Herbco Card Co. Plastichrome
New York City. The Channel Garden. Rockefeller Center. Alfred Mainzer. Dexter Press. Clark A. Brandenburg
The Channel Gardens in Spring dress at Rockefeller Center. New York City. Manhattan Post Card. MP105. Plastichrome. Colourpicture Publishers