I have a Merlin Olsen 25" x 30" signed HOF lithograph available.  This is an artist proof given to Doug West, who was the original artist for the NFL Hall of Fame.  The artist proofs are all numbered out of 50, and are signed by both the athlete and Doug himself.  

Comes with an original LOA from Doug West as well.

Please note I do have 3 of these artist proofs. All are in similar condition, and the location is also similar in both of location and quality but may change slightly from what is pictured.