Two items: ballpoint signature, “Marina Oswald Porter, Texas, Feb. 1981,” on an off-white 5 x 3 card; and a booklet entitled Aftermath of an Execution, 8.5 x 11, 32 pages, signed and inscribed on the first page in ballpoint, “12/9/68, To Keith—This booklet was printed but never sold. Distribution stopped. Marguerite Oswald.” In very good to fine condition, with a block of toning to the card and scattered foxing to the front cover of the booklet. RRAuction COA.