Thanks for the scan.
But I'm looking for a self-made case in the steal of the normal cases.
I once saw one on Ebay:
https://www.ebay.de/itm/Atari-Lynx-BUBBLE-TROUBLE-Telegames-with-customized-Box-Like-New-/113495743199?hash=item1a6cdf9adf%3Ag%3AykEAAOSw%7ED5cJSlb&nma=true&si=FuAbe4FPrXj21zSrRh4CBUy%252BlBU%253D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557
Maybe someone has such a copy template?