You have found a rare collectable treasure!
You are looking at a Blue Bordered Hafpor Julius Bjornsson as Gregor Clegane "The Mountain" Autograph card from Game of Thrones Season 5.
This cast members appeared in HBO's Game of Thrones. The actor also appeared in numerous movies and TV Shows.
Hafpor Julius Bjornsson is known for their roles in Pharaoh's | Operation Ragnarok and Beast.
Produced by Rittenhouse Archives in 2016.