The Hoxne Hoard is now on permanent display at the British Museum, drawing thousands of people every year. It might surprise you to hear that he wasn't digging in one of the famous South African diamond mines at the time, but was near Murfreesboro, Arkansas, at a site that is now the Crater of Diamonds State Park. No matter how valuable it is." Bassum's big find -- nicknamed "The Uncle Sam Diamond," the largest diamond ever discovered in North America -- was later cut down to 12.42 carat and sold for 0,000 in 1971 (About 0,000 today).Sadly, there is no word on whether or not the hammer was ever found. Sitting on top of a volcanic pipe (a geologic tube formed by an ancient underground volcanic explosion), the park is the only diamond site in the world that is open to the public. But his wasn't the last valuable rock dug out of that Arkansas soil.
After looking over the document for a few days, he wondered if it might be older than he initially thought.So he hopped on the Internet to do some research and soon realized he had purchased one of only 200 official copies of the Declaration of Independence commissioned by John Quincy Adams in 1820.Their initial estimate was £250,000 (5,900), but said it could easily sell for as much as £2.5 million (.1 million) thanks to its resemblance to another English treasure also found with a metal detector, the Middleham Jewel.But as the saying goes, "Never count your millions until the auctioneer bangs his gavel." Sotheby's put the pendant up for auction on July 9, 2009, making it the highlight of a large lot of antique sculptures. The bidding started at £30,000 (about ,900), but as the final call was made, the best offer was only £38,000 (about ,200) -- far below the reserve price to make a sale.In 1964, "The Star of Murfreesboro" was discovered at the same site, weighing in at 34.25 carat.
Then, in 1975, came the 16.37 carat "Amarillo Starlight Diamond." The 6.35 carat "Roden Diamond" was found in 2006.A local art teacher saw the painting and suggested it could very well be a Jackson Pollock.In response, Teri famously asked the teacher, "Who the f*** is Jackson Pollock?I emailed the Museum to ask if the painting was covering a hole in the wall, but I didn't get a reply. Every Sunday afternoon for the last seven years, Mary Hannaby had gone for a walk with her metal detector.Mental Floss: 6 really strange truck spills As you go in search of your nest egg, keep in mind the old adage: "It's only worth what the market will bear." Sometimes finding treasure is the easy part; finding someone willing to buy it can be the real challenge. She'd never really found anything of value, but she liked getting the exercise, so she kept at it.Still, they decided not to purchase it for their collection, so Mary took the pendant to Sotheby's.