File:Stamp Carl Friedrich Gauß.jpg

eingescannt von: Prolineserver

• Briefmarke von Carl Friedrich Gauß
• Ausgabepreis: 20 Pf.
• Erstausgabetag / First Day of Issue: 1977
• Auflage:
• Entwurf:
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Portrait is based on the 1803 painting File:Carl Friedrich Gauß, Pastellgemälde von Johann Christian August Schwartz, 1803, ohne Rahmen.jpg by Johann Christian August Schwartz (1756-1814) without adding new creative elements, so it's PD-old, and the other shapes aren't protectable.

	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. 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, 1931.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

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.