don kagan representing the couple, the president of cagan's inc. meltss, must have been quite something when you heard from this couple. >> pretty incredible. >> they have asked to remain anonymous. they don't want to start a gold rush on their property. capital blame them. how did they come across this? they saw something. how did they not notice all of this before. >> they have been walking on it for years on their property. they had their dog with them. you know, it wasn't exactly on the trail. so what we understand is that maybe they saw a glint of light, maybe the sup hit one of the tin cans and they went over and took a stick, dug it out, took out the can, it was very heavy. they thought it was full of paint and they took it back, discovered there was gold in there. then they went back with a melts cans. >> this is unique on a number of different levels. among them, the fact that the coins stayed pristine after more than 100 years? >> that's what is really incredible about this. it isn't just the fact there is over 1400 gold coins. but these

don kagan a gold and coin dealer in tiburon made the announcement.e says his unnamed client dug up cans of mint condition coins on their property worth about $10 million. >> as a buried treasure something that anyone can aspire to find, this is the best. >> reporter: but after that story was told, people began to remember another story. a little similar involving kagan, inc. in may of 2011 kpix 5 covered the story of a california map who claimed to find a huge gold nugget on his property. it became known as the washington nugget. kagan's company, which handled the find, proclaimed it to be the largest remaining nugget from the california gold rush. the 8-pound specimen eventually sold for $460,000 at auction. and the finder reportedly had his property assessed for sale as good prospecting land. but that man also wanted to remain anonymous. and for good reason because the whole story was a hoax. the nugget was actually unearthed by two men in australia in 1987 who originally sold it for $50,000. kagan said he had been duped. now, nope one is saying th

don kagan is helping the owners who wish to remain anonymous. me about the coins.ins is worth over $10 million today. it has a value of about $28,000. >> what is this couple telling you. have they wrapped their brains about it? >> they don't want their lives to be changed. they want to be anonymous. they asked that we respect their anonymity and we do, but they want to give back. they top the give to charities with the money, but they are thankful and they think it's wonderful that they can save their property and they thought they might lose. again they want to give back to the community and needy people. >> that's wonderful to hear, but this is your wheel house. you know about rare coins. help me understand how a couple of jars of coins can be worth this kind of cash. >> it's fantastic because it's not just a burch of gold or gold nuggets or cold coins. these are rare u.s. coins from 1847 to 1894. not only that, they are in pristine condition. almost all of them are like they came right from the mint. many are rare. some are worth up to $1 million apiece. you hav