Cheech & Chong Up In Smoke dual signed 8x10 ACOA

Cheech Marin and Tommy Chong both signed this photo.  The autographs have a Certificate of Authenticity from ACOA #SB10452

The photo is an 8x10.  The signatures are both blue.  There is a small ding on the upper right hand corner that is barely noticeable.  Please review all photos.

Cheech & Chong starred in Up in Smoke, Nice Dreams, Still Smokin', and Get Out of My Room