We went to The RealReal, a luxury resale store, where an authentication expert walked us through how to spot fake designer goods. We looked at two versions of Adidas Yeezys, Hermes Birkin bags, Chanel shoes, Louboutin heels, and Rolex watches to try and figure out which one was real and which was a cheap counterfeit. Exactly what should you be looking for when buying expensive shoes, handbags, and jewelry?

EDITOR’S NOTE: This video was originally published on December 17, 2018.