A T206 Honus Wagner baseball card sold for more than $6 million, shattering the previous record for the most expensive card of all time.
T206 Honus Wagner - Wikipedia
A Brief History of the Honus Wagner Baseball Card, History
T206 Honus Wagner baseball card sells for $6.606 million, shattering previous record - ESPN
Nuns Who Sold Honus Wagner Card For $220,000 Knew Donor, 58% OFF
T206 Honus Wagner card, rare Michael Jordan could set records in Goldin Elite Auction - Sports Collectors Digest
Joe Corso – SABR's Baseball Cards Research Committee
T206 Honus Wagner Baseball Card: The Most Expensive Baseball Card Ever
T206 Honus Wagner Baseball Card: The Most Expensive Baseball Card Ever
One Man's Journey to Slay The Monster – SABR's Baseball Cards Research Committee
Trading Cards Are Cool Again
Sports cards with the highest market value - Philomath News