The problem in these situations is that most people do not think down the road.
What the heck would he do with the letter? I guess he could take it out and look at it once in a while. He certainly would not be able to sell it.
The difference is that with this priest, he knew it wasn’t his and it was important. He did the right thing.
As my wife always tells me, “You don’t get extra credit for doing the right thing.”