Collection of 12 covers signed by justices of the Supreme Court, including: Sandra Day O'Connor, Anthony Kennedy, William H. Rehnquist, Lewis F. Powell, Jr., Thurgood Marshall, William J. Brennan, Jr., Byron White, John Paul Stevens, Clarence Thomas, David Souter, Harry A. Blackmun, and Warren E. Burger. In overall fine condition, with some covers showing light envelope-related staining.