Postage Dues, 1891, 1¢ to 50¢ complete, imperf proofs on stamp paper. All with large margins, bright and fresh; 3¢ pair has one stamp with small faults, one 10¢ stamp with small natural inclusion, one 30¢ small thin spot, overall a Very Fine set, a rarely seen complete set of horizontal pairs of these elusive imperforates.
Scott No. J22P5-J28P5; $3,125. US$0 (Image)

Scott $3,125

Post Office Dept., 1873, 90¢ Perry essay, in dull blue. Complete design, die on proof paper. 4mm margins, rich color, tiny pinhole, Very Fine appearance.
Scott No. O56-E1b; $1,500. US$0 (Image)

Scott $1,500

State Dept., 1873, $20 scarlet & blue, "Atlanta" trial color plate proof on card. Large balanced margins and radiant color, Very Fine.
Scott No. O71TC4b; $1,000. US$0 (Image)

Scott $1,000

State Dept., 1873, $20 brown & black, "Atlanta" trial color plate proof on card. Large margins, fresh and Very Fine.
Scott No. O71TC4c; $1,000. US$0 (Image)

Scott $1,000

Carrier, 1851, 1¢ Eagle, orange, trial color plate proof on wove. Dividing line visible on all sides.
Scott No. LO2TC5a; $350. US$0 (Image)

Scott $350

American Letter Mail Co., 1844, 5¢ black, thin paper (2nd printing). Plate proof with die no. 25874, likely that of Rawdon, Wright, Hatch & Edson, mounted on brown card from an archive; small stain from mounting, Very Fine. Quite possibly unique.
Scott No. 5L1 var.; Estimate $500 - 750. US$500-750 (Image)

Est. $500-750

"Adams Express Co., Frank" telegraph essay in black. On India mounted on card. National Bank Note Co. imprint at bottom, Very Fine and rare, from the American Bank Note Company files.
Estimate; $200 - 300. US$200-300 (Image)

Est. $200-300