He has invested many years ago, he doesn’t remember how much and he has never been able to figure it out himself so now im trying to help him on the first page it says “bitcoin” his mail and then some letters and numbers in a string, and then some random notes and a few shopping lists, but on many pages is the exact same shopping list consisting of 7 items so i think that might be the code but idk i have not yet found anthing that could be the code can anyone help me getting his bitcoins back