<a href="https://en.wikipedia.org/wiki/Copy_Control" class="extiw" title="en:Copy Control">Copy Control</a> logo. Discs protected with the Copy Control system are marked with this symbol.
<a rel="nofollow" class="external autonumber" href="http://bv.diesis.it/209/business.htm">[1]</a>, since cropped and converted from JPEG to an <a href="https://en.wikipedia.org/wiki/Optipng" class="extiw" title="en:Optipng">Optipng</a>'d PNG