There are the rare yard sale finds that once brought to light, no one’s that surprised that they’re worth something — a painting by a famous artist, a baseball card from the days of yore, a set of Chinese rhinoceros cups, whathaveyou. But while it might never be featured on Antiques Roadshow, there are other gems hiding out there, like an old Nintendo video game that could be worth as much as $15,000. [More]
