My wife just yesterday found a bag sitting on a shelf on top of an ATM machine, and she brought it to the local police station. The person who lost the bag, which contained a wallet, will be relieved that he/she lives in Japan. There is no other major metropolis in the world where you can expect a lost valuable returned.
Three days before the opening of the 1964 Tokyo Olympic Games, a high school teacher carrying the tickets targeted for students in his school, simply lost them while buying a box of cigarettes. They were returned right away to a local police station, but one can assume this teacher nearly had a heart attack. Moral of the story – smoking is bad for your health.