Here are the five most valuable vintage baseball on-card autograph cards of all time. Each card is expensive, but seems to be a bargain when comparing each card to a high-grade, unsigned copy.

Skenes shows off two of the cards he signed with both his usual autograph and his new Japanese signature. (Onyx Authenticated) Paul Skenes and his girlfriend, former LSU gymnast and social media star ...

— -- In the six weeks after Muhammad Ali's death, thousands of autographed items flooded the market, with sellers hoping to capitalize on the demand. But the quantity of items, and, in some cases ...

In 2018, a 1939 baseball with the signatures of 11 Hall of Famers sold for $623,369. The most valuable autograph ever sold, ...

Collectors are questioning who actually signed a growing number of Lionel Messi trading card autographs certified by Topps. Leading card grader Professional Sports Authenticator (PSA) has now refused ...

Let's take a trip back in time to the late 90's; a simpler time in the hobby where today's common inserts were just being born. Autograph cards had become hot, but it wasn't until sets like Upper Deck ...