3P4, 5¢ red brown, plate proof on card, VF, no gum (Image)

Cat. US$250.00

4P4, 10¢ black, plate proof on card, FVF, no gum (Image)

Cat. US$250.00

63-E2a, 1¢ Franklin, red violet on proof paper, VF, no gum as issued (Image)

Cat. US$100.00

69-E2a, 12¢ Washington, blue on proof paper, FVF, no gum as issued (Image)

Cat. US$75.00

70-E2a, 24¢ Washington, green, die II on proof paper, VF, no gum (Image)

Cat. US$60.00

79-E28c, 3¢ very light gray, imperf, Essay on Loewenberg paperlight impression, just 4-margins, close at right, no gum (Image)

Cat. US$25.00

681P, 2¢ Ohio River Canalization, black, Photographic Essay, VF, no gum (Image)

Est. US$50.00

O72S, 1¢ Treasury, dark brown, dk. blue SPECIMEN ovpt, FVF, no gum (Image)

Est. US$80.00

O74P4, O90P4, 3¢ Treasury, dark brown, VF and 15¢ War Dept, rose, F-FVF, imperf Proofs on card, both no gum (Image)

Est. US$20.00