Not really about baseball solely but was just reading an article on sports cards sold this year:
This year alone, Goldin Auctions has seen seven cards go for more than $500,000 -- one of which set the all-time record -- and all but one was from the 21st century.
CARD PRICE DATE
2009 Mike Trout $3.84 million* Aug. 22
2013-14 Giannis Antetokounmpo $1.86 million Sept. 21
2003-04 LeBron James $1.8 million July 18
2003-04 LeBron James $1.08 million Aug. 22
2009 Mike Trout $922,500 May 16
1968 Nolan Ryan $600,000 Aug. 22
2003-04 LeBron James $540,000 Aug. 22
*most expensive card ever sold
Imagine having 3.8 mil to drop on a f***ing Mike Trout piece of cardboard