Mounts for the Washington 2006 Sheets. Includes 1 mount each for the Wonders of America sheet, the Washington 2006 Souvenir Sheet, the Distinguished American Diplomats Souvenir Sheet and the Samuel de Champlain Joint Issue with Canada Souvenir Sheet. (4) Showgard mounts are center split across the back for easy insertion of stamp with a crystal clear front. Mounts are gummed with an exclusive formula to insure safe, firm adhesion to the album page. They make stamp collecting more enjoyable and at the same time protect stamp values. Choose Dark or Clear Background above.