9 x 6 inches on personal embossed stationery with the presidential seal, together with the original free franked envelope. The typed portion of the letter reads: "October 13, 1981. To Kitty Hart, It was great to see you at the National Mental Health Association Dinner. Rosalynn and I enjoyed being with you on this special evening. With best wishes, Sincerely, Jimmy." The handwritten postscript says: "I've enjoyed all our evenings together! J." Horizontal fold; very good(+) condition.