Great Isaiah Scroll facsimile photo showing an example of cancellation marks below the text and corrections made above it.
<a href="https://en.wikipedia.org/wiki/User:Jb344tul" class="extiw" title="w:User:Jb344tul">Jb344tul</a>
<span class="int-own-work" lang="">Own work by the original uploader</span>