Greatings Dear @oneray!
It's stories like these that restore our faith in humanity. A person who does this without any meaning, without any benefit, and without thinking about anything is a very truthful and honest person. If I find the wallet, I will definitely return it because honesty is the greatest thing. As a human being, only by doing this, people's trust in our society is maintained. Even today, we see such people, so we should do the same and as a thank you, we should give them something as a reward. So I am very happy to know that even in this day and age there is still something called humanity left.