Rick and Chum kick it with a rare pair of Pumas from 1968. But will a shocking sticker price leave them in the dust, or can they race their way to a deal? Next, Chum is blown away by a fan from the 1940s. Later, Rick reads into a collection of letters from historical figures, but it's some lab notes by Marie Curie that really leave him glowing. And finally, a Post Malone guitar inspires a smashing adventure for the guys. Will it bring them closer together, or wreck their day out?

When Rick gets his hands on a pretty stellar coin, Corey flips about the astronomical asking price.  Next, Chum goes to the mat when an NWA Championship Wrestling Belt elbows its way into the shop. Then, the Harrisons are interested in a cut of the profit from a signed Sons of Anarchy vest. But will a bad deal give them road rage? And later, Corey's life gets posh when a collection of Spice Girls World Tour Dolls shimmy across the counter. But are they what Corey really, really wants? Finally, when Rick tries to fix a busted radio, will it become his magnum opus, or send him into a funk