All are MNH in black back hinge less mounts. Looks to be complete with Commemorative, Definitives, Souvenir Panes etc. High Dollar 3647 & 4019 Priority; 3648 & 4018 Express Issues. Complete Panes such as: 3408 Baseball; 3561-10. 34cent Greetings; 3696-95 37cent greetings; 4033-72 Wonders of America and so many more, Superman, Mickey Mouse, Bugs Bunny, Star Wars and so on.Many Legends of Hollywood panes such as 3876 John Wayne; 3911 Henry Fonda; 4077 Judy Garland. 3409-13 Space achievement including all the High Dollar Issues. 80 se-tenant sheets are mounted in large sheet size black back mounts. Rest are mounted in block, strips, and single black back mounts.