Antiques Roadshow — Episode 12: Philbrook Museum, Hour 3

You are watching the episode Philbrook Museum, Hour 3 Travel to Tulsa for ROADSHOW treasures appraised at Philbrook Museum of Art, including a Native American rights activist archive, the first "Yield" sign with documentation, and a 1949 Model 4500 Rolex and box. Which is valued at $71,000?