Jack Nicholson Shelley Duvall autographed signed 8×10 Photo Picture pic + COA. Jack Nicholson and Shelley Duvall signed this 8×10 photo very nicely in sharpie. Included, is a COA with a Lifetime guarantee of authenticity. Get Supersized Images & Free Image Hosting. Create your brand with Auctiva’s. Attention Sellers – Get Templates Image Hosting, Scheduling at Auctiva. Com. Track Page Views With.