The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
New York City. Rockefeller Center. Alfred Mainzer. 1999
Midtown Skyline with Rockefeller Center Buildings. New York City. Alfred Mainzer. Dexter. 1954
New York City. Rockefeller Center. Skating Rink. Alfred Mainzer. Curteichcolor
NY522. Midtown Skyline with New York Central Building and Rockefeller Center. New York City. Mike Roberts. Alfred Mainzer
New York City. Rockefeller Center at Night. Alfred Mainzer. C. T. Art Colortone. 1948
New York City. Skating Rink. Rockefeller Center. Alfred Mainzer. Curteichcolor
561. Prometheus Fountain. Rockefeller Center New York City. Charles Phelps Cushing. Alfred Mainzer. Dextone. Kodachrome. Dexter Press
New York City. The Channel Gardens. Rockefeller Center. Alfred Mainzer. Dexter Press