The final buyer of the 18th-century plate "was an online bidder so it was somebody from abroad," the seller told Newsweek.

Rare vintage Pyrex dishes can sell for thousands. Discover collectible patterns and top resale values from items sold recently online.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...