Image: Gul tre skilling banco

Description: Yellow 3 skilling of Sweden, 1855, one of the world's most expensive stamps. A unique example of a colour error.
Title: Gul tre skilling banco
Credit: Placé sur le wikipédia en suédois par [[w:sv:Anv%E4ndare:Den_fj%E4ttrade_ankan|Den fjättrade ankan]] le 12 juillet 2003. Digitization from Stephens, Glen (May 2005). Sweden 'Tre Skilling Yellow' book. glenstephens.com. Archived from the original on 2 February 2012. Retrieved on 2 February 2012.
Author: sv:P.A. Sparre (1828-1921)
Permission: The author died in 1921, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 95 years or less. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1923. This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No