Kalle Anka & C:O (Swedish for Donald Duck & Co) is a Swedish weekly Disney comics magazine published by Egmont, and the over all best selling Swedish comic magazine. The magazine had a circulation of 225,000 in 1990 and 65,300 in 2010.
The first issue was published in September 1948. Until 1957, the magazine was published monthly, between 1957 and 1959 biweekly, and since 1959, once a week. As of October 2011, 2,918 issues have been published.
The first issue, Kalle Anka & C:O 1/1948, is Sweden's most valuable comic book according to Seriesamlarna, with an estimated value of 250,000 SEK. In 1999, a copy was sold for 170,000 SEK.