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 #SB10457

The photo is an 8x10.  The signatures are both black. 

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

Please review all photos.