You have found a rare collectable treasure!
You are looking at a Bordered Ian Whyte as Gregor Clegane Autograph card from Game of Thrones Season 4.
This cast members appeared in HBO's Game of Thrones. The actor also appeared in numerous movies and TV Shows.
Ian Whyte is known for their roles in Harry Potter | Alien Vs Predator AVP and Prometheus.
Produced by Rittenhouse Archives in 2015.