Jim Henson, Muppets, get stamps of approval

Lisa Henson characterized the stamps as fitting her father's sense of humor. "We are honored that the U.S. Postal Service chose to recognize our father's legacy with this fun and irreverent stamp collection - a perfect reflection of his inspired silliness and creativity."
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When applied to a white envelope, each of the individually photographed Muppet stamps appear to burst through.
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The back of each stamp sheet features humorous autographed notes from each of the Muppet characters.