Oh! card is going to be worth more than what it means to the person who holds it but some are quite valuable. Here's how to ...

For some, that won't be possible. If you fly Alaska Airlines with another person at least once a year, this card is a must-have. Be aware, however, that Alaska doesn't fly everywhere.

A rare, 91-year-old Babe Ruth card that once sold for a penny could fetch more than a million dollars on the auction block ...