Huge Lot of 20 Different US Commemorative Sets in Original Packaging w/CoA

Huge lot containing 20, all different US Proof and BU Commemorative Sets. Some are half dollars, some silver dollars, and some 2-Piece, but all come in their original, Mint-issued boxes and certificates. Includes the following sets: 1984 Proof Olympic Dollar, 1986 Proof Statue of Liberty Half Dollar, 1986 Proof Statue of Liberty Dollar, 1988 BU Olympic Dollar, 1990 Proof Eisenhower Dollar, 1991 Proof Korean War Dollar, 1991 Proof USO Dollar, 1992 BU White House Dollar, 1992 Proof White House Dollar, 1992 Proof Olympic Baseball Dollar, 1992 Proof Columbus 2-Piece, 1993 BU Jefferson Dollar, 1993 Proof Jefferson Dollar, 1995 Proof Special Olympics Dollar, 1995 Proof Olympics Baseball Half Dollar, 1995 Proof Olympics Cycling Dollar, 1999 BU and Proof Yellowstone Dollars (2-Piece Set), 2000 Proof Library of Congress Dollar, 2002 Proof US Military Academy Dollar, and 2006 Proof Ben Franklin “Scientist” Dollar.