The finest example of the 1908 5¢ Imperforate on cover--only three covers are recorded

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E. $ 30,000-40,000

The earliest of the three recorded covers with the 10¢ on Bluish Paper

10¢ Yellow, Bl (Image)

E. $ 5,000-7,500

A remarkable set of nine picture postcards depicting the life of Abraham Lincoln, each with First (Image)

E. $ 3,000-4,000

An especially choice example of the 3¢ Orangeburg coil on cover

3¢ Deep Violet, Orang (Image)

E. $ 10,000-15,000

The only recorded 50¢ Perf 12 Double-Line Watermarked Issue, Scott 422, on cover

50¢ (Image)

E. $ 2,000-3,000

The largest recorded multiple of the 10¢ Franklin coil, Scott 497, on a First Day cover

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E. $ 2,000-3,000

The only recorded cover with the 2¢ Type II Rotary Perf 11 x 10, Scott 539, an issue which is ext (Image)

E. $ 15,000-20,000

5¢ Rose Perf 11 error, Scott 505, in a block of nine on a registered cover to Holland

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E. $ 2,000-3,000

A superb example of Scott 544 on a postcard used five days after the earliest documented use< (Image)

E. $ 2,000-3,000

A rare example of the 1¢ Rotary Perf 11, Scott 594, on a postcard--only three postcards and two c (Image)

E. $ 7,500-10,000

An immaculate First Day cover of the Graf Zeppelin issue, flown to Germany and back

6 (Image)

E. $ 4,000-5,000

Rare use of 1930 Graf Zeppelin set on Balbo flight cover

65¢-$2.60 Graf Zeppelin (C13 (Image)

E. $ 2,000-3,000