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.

600 mm by 600 mm (24 in by 24 in) New Hampshire Route shield, made to the specifications of the 2010 sign specs (sign M1-5 and variants). Uses the Roadgeek 2005 fonts archive copy at the Wayback Machine. (United States law does not permit the copyrighting of typeface designs, and the fonts are meant to be copies of a U.S. Government-produced work anyway.)