So, you make fun of hipsters for listening to their music on vinyls and victrolas and what-not? Well, the joke’s on you, because one such vinyl-collector made a crazy find in his last purchase. He showed up at an estate sale and bought a couple of fifty cent records (records costing fifty cents. Not “50 Cent records.”) and when he went through them at home, Marvin Gaye’s old passport fell out. “What’s Going On?” indeed, Mr. Gaye. No one seems quite sure how it ended up where it did, but Antiques Roadshow is saying the find is worth $20,000—so you may want to swing down to your closest record store and make an investment …