I would steal it. Surely there will be no trouble. If I am caught I will shrug and say, no harm done. Nothing a few dollars can't fix. I will say I stole it because when the envelope is opened he will seek you out and show you and you will say: awesome. I will be awesome in your eyes and this is how I long to be seen.
silly. silly reckless juvenile stunt. But I would steal it for him. For you.