> I think I've read something about reusing paper as well in medieval time. This mostly happened with parchment, not paper, but otherwise you are right. It is

> I think I've read something about reusing paper as well in medieval time. This mostly happened with parchment, not paper, but otherwise you are right. It is called a palimpsest.[1] Sometimes the writing under the writing can be reconstructed as happened with the oldest copy of Cicero's Republic.[2] [1]: https://en.wikipedia.org/wiki/Palimpsest https://en.wikipedia.org/wiki/Palimpsest [2]: https://www.historyofinformation.com/detail.php?entryid=3059 https://www.historyofinformation.com/detail.php?entryid=3059