This is the unique plate number block of the 10¢ 1861 Type I First Design”--the lower left stamp (Image)

E. $ 40,000-50,000

This magnificent pair of the rare 24¢ 1861 Steel Blue with full corner sheet selvage and original (Image)

E. $ 50,000-75,000

One of two recorded Abraham Lincoln Split Rail and Flat Boat” Campaign covers to a foreign countr (Image)

E. $ 7,500-10,000

The only known Lincoln campaign cover actually signed by Abraham Lincoln--it is difficult to imag (Image)

E. $ 10,000-15,000

A beautiful and rare Prang & Co. campaign design with three-quarter portraits of Abraham Lincoln (Image)

E. $ 2,000-3,000

This cover depicting Lincoln’s assassin, John Wilkes Booth, and imploring the public to Hunt the (Image)

E. $ 10,000-15,000

This beautiful Civil War Sanitary Fair cover is one of four recorded with a combination of Great (Image)

E. $ 30,000-40,000

A colorful and pristine folded letter to France, carried across the lines by Adams Express and st (Image)

E. $ 50,000-75,000

A rare single-franking use of the 90¢ 1861 Issue to pay the double rate to China on a colorful co (Image)

E. $ 15,000-20,000