If you've ever come across an old postcard tucked away in a drawer or attic, you might be sitting on a surprising treasure. Not all vintage postcards look valuable at first glance, but some hidden ...

Many postcards sold for a few cents (or even a penny) when they were first made, but they’re a lot more valuable now. The value of old postcards depends several factors, including their condition, ...

The MarketWatch News Department was not involved in the creation of this content. California Man's Lifetime Baseball Collection is Ready for a New Home: Featuring 250+ Rare Autographed HOF Plaque ...

California Man's Lifetime Baseball Collection is Ready for a New Home: Featuring 250+ Rare Autographed HOF Plaque Postcards and Thousands of Valuable Sports Cards Spanning 1909 to Present GRANITE BAY, ...