The copyright situation of this work is theoretically uncertain, because in the country of origin copyright lasts 75 years after the death of the author, and the date of the author's death is unknown. However, the date of creation of the work was over 125 years ago, and it is thus a reasonable assumption that the copyright has expired (see here for the community discussion). Do not use this template if the date of death of the author is known.

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Toto dílo je ve Spojených státech amerických dílem volným (public domain), protože tam bylo registrováno u U.S. Copyright Office nebo zveřejněno před 1. lednem 1930.

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 Note that a few countries have copyright terms longer than 75 years: Mexico has 100 years, Jamaica has 95 years, and Colombia has 80 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term.