Topolino #21 was published by Panini Comics on November 1, 1950, as part of a series that began in 1949. Bill Walsh and Carl Barks write, and art comes from Ambrogio Vergani, Don Gunn and Floyd Gottfredson. It features Donald Duck, Huey, Dewey, Louie and Mickey Mouse, among 25 characters catalogued on VerseDB.