A Navajo blanket was appraised on the TV show “Antiques Roadshow” for $500,000. After seeing the broadcast, a disabled man realized he had a similar blanket which had been sitting in his closet for 7 years. He took it to an auction house and sold it for $1.5 million. – WTF Fun Facts
Source: https://www.cnbc.com/2017/11/20/krytzer-sold-navajo-blanket-thought-to-be-worthless-for-1-point-5-million.html