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Papermaking, Ink Chemistry and Printability of “United States Three-Cent Bank Note”

Papermaking, Ink Chemistry and Printability of “United States Three-Cent Bank Note”. Matej Pekarovic 1 , Alexandra Pekarovicova 1 , Jan Pekarovic 1 and John Barwis 2 1 Western Michigan University, Center for Ink and Printability, 4601 Campus Dr., A -231 Parkview, Kalamazoo, MI 49008-5462

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Papermaking, Ink Chemistry and Printability of “United States Three-Cent Bank Note”

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  1. Papermaking, Ink Chemistry and Printability of “United States Three-Cent Bank Note” Matej Pekarovic1, Alexandra Pekarovicova1, Jan Pekarovic1 and John Barwis2 1Western Michigan University, Center for Ink and Printability, 4601 Campus Dr., A -231 Parkview, Kalamazoo, MI 49008-5462 2Institute for Analytical Philately, PO Box 751833, Las Vegas, NV 89136-1833

  2. Production of 3- Cent Stamp Over 6.6 billion stamps

  3. Customary Bending Index: Bending Resistance/Stamp Weight

  4. National BNC StampsBending Indices

  5. National BNC Stamps Population Distribution, Gurley Units

  6. Continental BNC StampsPopulation Distribution, Gurley Units

  7. American BNC 1879 Stamps Population Distribution, Gurley Units Bending Index Range American BN 1879 [GU/g]

  8. American BNC 1881 Stamps Population Distribution, Gurley Units

  9. Selection of Stamps for Fiber Analysis

  10. Re-pulping of National Stamps Prior to Fiber Analysis Easy repulping Repulping difficulties

  11. Re-pulping of Continental (Left) and American 1879 Stamps (Right) Bluish bleed Yellow bleed

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