Cropped version of Amateria1121's <a href="//commons.wikimedia.org/wiki/File:Maximum_120_sign_in_BC.JPG" title="File:Maximum 120 sign in BC.JPG">120 maximum sign</a>.
Amateria1121
CC BY-SA 4.0
<a href="//commons.wikimedia.org/wiki/File:Maximum_120_sign_in_BC.JPG" title="File:Maximum 120 sign in BC.JPG">File:Maximum_120_sign_in_BC.JPG</a>