This is a provocative article. Gary Becker argues for an open market to sell one’s body parts. Did I just hear you cringe? Read before you make up your mind.
Have you given it any thought? Mr. Money Moustache weighs in with his.
You don’t see much of cash & coins in these days of plastic money & internet banking, but here are pictures of what stuff is really on them! (Good reason why you shouldn’t put it in your mouth!)