There are only believed to be 50 copies of the card in existence today.
Rare T-206 Honus Wagner baseball card sold for record $7.25
T206 Honus Wagner - Wikipedia
1909-1911 T206 Honus Wagner Card, Rally
Rare Honus Wagner baseball card is on deck for auction here
Honus Wagner T206 Sets New Record for Most Expensive Trading Card
Sunset Hills Man Sells Baseball Card for $1.2 Million
Collecting the T206 Baseball Card Set: A Comprehensive Guide
Honus Wagner T206 baseball card, a Holy Grail, sells for $7.25 million
1909-1911 T206 Honus Wagner - The Beckett Wagner