I found these postcards in a dime bin at the Book Eddy. They aren't great, but too good to be lost to an album in someone's basement.
The first two celebrate the Lobster Festival in Rockland, Maine. The first card doesn't have a date, but the second card talks about the Maine Seafoods Festival in 1955, also in Rockland.
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Hazel Park, Michigan, sits in the heart of the southeast corner of the state. On May 29, 1966 they had a parade celebrating Memorial Day. The top card is the Hazel Park Jr. High School Band.
The Hazel Park Sr. High School Band...
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For more postcards, take a look at my A Century of Ballparks post.