I have a feeling these might be valuable. Handmarked ORFN. Any help appreciated. Gifted from someone who got it from the artist.

https://preview.redd.it/h1ikrti52juf1.jpg?width=3024&format=pjpg&auto=webp&s=e36be2f8755a015bfeca2ec2627da32d8e4cc41f