This is the scrap Iny shows to Marcus Brody on their way to the converted curch in Venice. It is highly doubtfull that this scrap was ever a part of the inserts, but most makers put it in, and it is quite easy to make:
Preage a piece of paper. Then crumple it up several times, then rip a piece out like the shown form. When ripping it try to rip it with an angle like You see on the original.
Then write the numbers and add the inkspots...
The original: And mine: