The author died in 1814, 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 100 years or fewer.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Public domainPublic domainfalsefalse
This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
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==Beschreibung== eingescannt von: Prolineserver ===Briefmarkenbeschreibung=== *Briefmarke von Carl Friedrich Gauß *Ausgabepreis: 20 Pf. *Erstausgabetag / First Day of Issue: *Auflage: *Entwurf: *Druck: Michel-Katalog-Nr: == Lice