You have found a rare collectable treasure!
You are looking at a Blue Bordered Gemma Whelan as Yara Greyjoy Autograph card from Game of Thrones Season 7.
This cast members appeared in HBO's Game of Thrones. The actor also appeared in numerous movies and TV Shows.
Gemma Whelan is known for their roles in The Wolfman | Wise Girl and Gulliver's Travel.
Produced by Rittenhouse Archives in 2018.