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.<p>
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.
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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.