One-of-a-kind collector cars bring strong prices at auctions hosted by such firms as H&H Classics and Barrett-Jackson.
For over 100 years, no one was aware that a spectacular Japanese cloisonne vase was a work of art created for the 1893 Columbian Exposition in Chicago. Now, it's headed to auction.
We never know when an item of everday use, when tucked away for decades, may turn out to be a nostalgic treasure.
Prizes will be awarded to the winners of the Antique Trader Favorite Finds contest, which returns in 2018.