You have found a rare collectable treasure!
You are looking at a Blue Bordered John Stahl as Rickard Karstark Autograph card from Game of Thrones Season 3.
This cast members appeared in HBO's Game of Thrones. The actor also appeared in numerous movies and TV Shows.
John Stahl is known for their roles in Mary Queen of Scots | Victoria and Abdul and High Road.
Produced by Rittenhouse Archives in 2014.