High-grade vintage baseball cards continue to separate from the rest of the market. These PSA 9 examples of Hall of Famers have doubled in price over the past year, showing where demand is strongest.

Baseball cards are often viewed as nostalgic collectibles, but many of the most iconic cards have delivered impressive long-term returns. The baseball card market has never been in a better place.

A PSA 2 Babe Ruth card recently sold for more than seven times the price of the previous two PSA 2 examples.

We take a look at Jim Palmer's top cards, including a sale for $21,952. His card market jumped 12.7% in past few weeks.

And more and more, it’s now becoming a plan of action for many collectors who have submitted cards to PSA in recent months.

Discover the week's biggest sports card sales, featuring Shohei Ohtani, Tom Brady, Mickey Mantle and more.