This is one of only two 1¢ 1851 First Day Covers with a July 1 datestamp--adding to the importanc (Image)

E. $ 100,000-150,000

A superb pair of the 1¢ 1851 Issue from Plate 1 Early, containing the rare Type I, Position 7R1E, (Image)

E. $ 75,000-100,000

A sound, four-margin and unusually beautiful example of the rare and coveted 1851 1¢ Blue Type I- (Image)

E. $ 75,000-100,000

The unique pane of the 1¢ 1851 Issue--the first Scott-listed postage stamp that exists in a compl (Image)

E. $ 50,000-75,000

The only recorded block containing the rare 1¢ 1851 Imperforate Type Ia, Scott 6, from Plate 4--a (Image)

E. $ 75,000-100,000

The finest of the few 1¢ 1851 Imperforate Type Ia used strips in existence, on a beautiful cover (Image)

E. $ 60,000-80,000

One of three recorded covers with the Cumberland, Maine, printed precancellation--an outstanding (Image)

E. $ 20,000-30,000

This Valentine cover and matching original enclosure may justifiably be called the most beautiful (Image)

E. $ 7,500-10,000

This block--the Colossus”--was used to mail a Valentine from Gold Rush California in 1857, and fo (Image)

E. $ 75,000-100,000

The only recorded unused 10¢ 1855 Imperforate with the plate number and imprint--spectacular as a (Image)

E. $ 15,000-20,000

A unique example of the San Francisco News Letter in two significant respects--it is the o (Image)

E. $ 15,000-20,000

To pay the Prussian Closed Mail rate on this immaculate cover to Sweden, a Swedish immigrant in I (Image)

E. $ 50,000-75,000

A stupendous classic plate number multiple, comprising a significant part of the left pane of the (Image)

E. $ 50,000-75,000

The only recorded California railroad propaganda cover to another country--a fantastic piece of W (Image)

E. $ 15,000-20,000

This superb sheet-margin block of nine of the 12¢ 1851 Imperforate--a block of extraordinary beau (Image)

E. $ 30,000-40,000

One of the most beautiful 1851-56 Imperforate Issue covers extant, with a perfect sheet-margin bl (Image)

E. $ 50,000-75,000

This 12¢ 1851 bisect used on a dual green-and-red cameo cover with the Via Nicaragua” and Steam S (Image)

E. $ 20,000-30,000

The famous and unique 1847 Issue cover from California to New York with the 40¢ rate paid by a 10 (Image)

E. $ 150,000-200,000

The finest of the three recorded 1847 Issue covers with the Huntsville, Alabama, 5” Cent Star han (Image)

E. $ 20,000-30,000

A rare use of the 1847 Issue on a beautiful hand-colored Valentine envelope

DESCRIPTION (Image)

E. $ 10,000-15,000

A scarce and high-quality 5¢ 1847 cover with perfect strikes of the Michigan Central Railroad cir (Image)

E. $ 3,000-4,000

This is the only recorded cover with the 1847 Issue and Honour’s City Post 4LB8 stamp--only five (Image)

E. $ 20,000-30,000

A unique 1847 local post combination cover with two 5¢ stamps from the first printing in a beauti (Image)

E. $ 20,000-30,000

One of eight covers or fronts with 1847s used with the Bouton’s Rough & Ready” stamp

DESC (Image)

E. $ 2,000-3,000

The only recorded 10¢ 1847 cover with the Swarts Rough & Ready” stamp

DESCRIPTION (Image)

E. $ 15,000-20,000