PRESIDENT LYNDON B. JOHNSON. Three autograph-signed, typed letters to Richard R. Brown, Department of State, Washington, DC. Each on White House stationery variously dated November 27, 1963; November 16, 1964; and January 11, 1966. All letters of appreciation for various professional services. All with envelopes. - 8 3/4 in. x 6 3/4 in. Estimate $300-400