This postcard doesn't identify the year of the float in the description on the back. through the internet, I was able to discover that it is the 1957 Dayton's department store prize winning float. If you look closely, you can see the Dayton's name on the front of the float near the bottom right of the postcard.
Dayton's was the leading department store in Minneapolis for many years. The Dayton's building is still in downtown Minneapolis, and it is still a department store. But now it is a Macy's and the only department store in downtown Minneapolis. I'm not sure it should even be called a department store, because it is missing many of the "departments" formerly found in department stores.
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