When a young woman appeared on PBS's famous Antiques Roadshow, she hoped her old book of Women's Rights would double her investment of $2. Yes, she was seeking at least $4. In fact, her cheap find at an estate sale was actually worth $6,000 - $8,000. Check out the video of her stunned reaction below, then join us on the follow pages as we dig up some of the most profitable finds in the history of Antiques Roadshow.