Four ink signatures of Supreme Court justices on individual off-white cards, each approximately 5 x 3. Signers are: Thurgood Marshall, Byron White, William J. Brennan, Jr. (signed twice), and Harry A. Blackmun. In overall fine condition. Accompanied by the original mailing envelope for the Marshall signature. An important grouping with Blackmun being the author of the landmark ‘Roe v. Wade,’ and Marshall being the first black Supreme Court justice. RR Auction COA.