Washington's copy of U.S. Constitution

U.S. President George Washington's personally annotated copy of the Acts of Congress is displayed on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va. The rare volume, which includes Washington's personal copy of the Constitution, broke world records for an American historical document when it was purchased earlier this summer for the price of $9.8 million.

Rebecca Aloisi examines U.S. President George Washington's personally annotated copy of the Acts of Congress on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.

U.S. President George Washington's personally annotated copy of the Acts of Congress is displayed on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.

Carol Borchert Cadou, Vice President of Collections at Mount Vernon, discusses U.S. President George Washington's personally annotated copy of the Acts of Congress on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.

Members of the press photograph U.S. President George Washington's personally annotated copy of the Acts of Congress on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.

U.S. President George Washington's personally annotated copy of the Acts of Congress is displayed on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.

Members of the press examine U.S. President George Washington's personally annotated copy of the Acts of Congress on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.

U.S. President George Washington's personally annotated copy of the Acts of Congress is displayed on the 225th anniversary of the signing of the U.S. Constitution during an unveiling ceremony on Sept. 17, 2012, in Mount Vernon, Va.