Three ABNC die proofs from the 1918 series of stamps, comprising: I) 2c Green on India paper mounted to cream stock card, further mounted with acetate protective cover II) 4c Lake sunken die proof on India paper mounted to card III) 12c Dull Violet on India paper mounted to card. A few light surface stains and paper abrasion to left and right guide marks where clamped in place.
