7. Alexander Calder mobile – Antiques Roadshow US 2011
Appraisal: $400,000 – $1,000,000
Location: Miami Beach, Florida
Inventor of mobile Alexander Calder gave this piece from the 1940s to his aunt as a gift.
![Most Expensive Items Found On Antiques Roadshow](https://imonkey-blog.imgix.net/blog/wp-content/uploads/2015/08/shutterstock_169369517-480x600.jpg?auto=fortmat&fit=clip&expires=1751932800&width=480&height=599)
Neftali/Shutterstock.com
Appraisal: $400,000 – $1,000,000
Location: Miami Beach, Florida
Inventor of mobile Alexander Calder gave this piece from the 1940s to his aunt as a gift.
Neftali/Shutterstock.com