Our new Marketplace Crash Course is here to help. Sign-up for free, learn at your own pace.
The trading card business has soared during the pandemic. In the future, innovation may help drive growth.
"You can almost smell the cards when you think about it hard enough," said high school teacher Ken Cameron.
Nostalgia, art and investment potential have led to an increase in the sports card market, one expert says.
Turns out, quite a lot.
Baseball cards are now sold on line - but they're only available for 24 hours