Research Papers and Reprints Title Categories Update Date Download U.S. Vending and Affixing Machine Perforations 1907-1927 – Steven R. Belasco1 11 downloads Publications December 26, 2025 Please login to download Overrun Countries Series Stamps – Paul Holland1 355 downloads Publications January 27, 2025 Please login to download The 1903 Two Cent Washington Shield Issue1 222 downloads Exhibits August 5, 2024 Download Series 1902 United States1 186 downloads Exhibits August 1, 2024 Download Research Paper #25 – Prominent Americans Series: Bureau Precancel Printing History1 341 downloads Research Papers October 10, 2022 Please login to download U.S. VENDED POSTAL INSURANCE (1965-1985)1 151 downloads Exhibits June 30, 2021 Download The Transports – G.H Davis1 287 downloads Publications September 4, 2020 Please login to download The Prexies – Roland E. Rustad1 344 downloads Publications September 4, 2020 Please login to download The Airmail Special Delivery Stamps of the United States – Ralph L. Sloat1 251 downloads Publications September 4, 2020 Please login to download United States Postage Stamps 1945-1952 – Sol Glass1 266 downloads Publications January 23, 2025 Please login to download BIA Plate Number Checklist 20000-41303 Compiled by John L. Larsen & Kim D. Johnson1 239 downloads Publications January 23, 2025 Please login to download BIA Plate Number Checklist 1-20000 – Compiled by Wallace Cleland1 306 downloads Publications January 23, 2025 Please login to download Exhibit: The U.S. “Pictorial Issue” of 1869 & Its Use1 188 downloads Exhibits August 1, 2024 Download Exhibit: Lincoln Definitives – The 4 Cent & 5 Cent Issues 1890-19081 146 downloads Exhibits August 1, 2024 Download Exhibit: Jamestown 19071 171 downloads Exhibits August 1, 2024 Download Exhibit: Washington-Franklins Design & Stamp Development1 132 downloads Exhibits August 1, 2024 Download Exhibit: Washington-Franklins, 1908 – 1922 Earliest Documented Use1 182 downloads Exhibits August 1, 2024 Download Exhibit: Washington – Franklin 1¢1 206 downloads Exhibits August 1, 2024 Download Exhibit: Washington, Franklin, Head Series Postal History: Rates and Use 1908-19231 223 downloads Exhibits August 1, 2024 Download U. S. Postal History of Companies Using Perforated Control Marks1 149 downloads Exhibits August 1, 2024 Download Exhibit: Purple Horrors: U.S. 3¢ Commemoratives 1904 – 19451 151 downloads Exhibits August 1, 2024 Download Exhibit: Washington-Franklins on Cover and Piece1 199 downloads Exhibits August 1, 2024 Download Research Paper #24 – The Scarce Imperforate 4¢ Ulysses S. Grant Stamp of 19081 256 downloads Research Papers January 14, 2022 Please login to download Exhibit: Martha Washington1 125 downloads Exhibits August 1, 2024 Download Exhibit: Use of the Presidential Issue of 19381 177 downloads Exhibits August 1, 2024 Download Exhibit: Prexies at Work1 149 downloads Exhibits August 1, 2024 Download Exhibit: U.S. Registry System – The First 75 Years1 128 downloads Exhibits August 1, 2024 Download Exhibit: B.E.P. 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Check List of the Postage Stamp Booklet Covers1 251 downloads Research Papers July 18, 2015 Please login to download Research Paper #22 – A Census of Relief Breaks on the 1890 Two-Cent American Bank Note Company Issue1 138 downloads Research Papers July 18, 2015 Please login to download Research Paper #21 – Printing History of the 6¢ 1938 Airmail Stamp, Scott C231 139 downloads Research Papers August 26, 2015 Please login to download Research Paper #20 – Selected Records from the Files of the 3rd Assistant Postmaster General 1869-18891 99 downloads Research Papers August 26, 2015 Please login to download Research Paper #19 – A Type Written Transcription of the U.S. Post Office Dept. Stamp Bill Book Numbers for the Issue of 1870 Ordinaries, 1870-1879, Part One: The National & Continental Issues1 72 downloads Research Papers June 29, 2015 Please login to download Research Paper #18 – Printing History of Series 1922 Flat Plates Used for 2¢ Washington and Harding Memorial Sheet Stamps1 98 downloads Research Papers August 26, 2015 Please login to download Research Paper #17 – Printing History of 3¢ Stuart Coil Plates: Series 19321 73 downloads Research Papers August 26, 2015 Please login to download Research Paper #16 – U.S. Postal Insurance Booklets (1965-1985)1 125 downloads Research Papers August 26, 2015 Please login to download Research Paper #15 – Printing History of Series 1922 Flat Plates Used for Sheet Stamps1 112 downloads Research Papers August 26, 2015 Please login to download Research Paper #14 – Printing History of Coil Plates, Series 19221 87 downloads Research Papers August 26, 2015 Please login to download Research Paper #13 – Printing History of Rotary Sheet Plates, Series 19221 105 downloads Research Papers August 26, 2015 Please login to download Research Paper #12 – 1954 Liberty Series Plate Activity & Precancel Checklists1 154 downloads Research Papers August 26, 2015 Please login to download Research Paper #11 – Printing History of Second Bureau Plates Used for Sheet Stamps1 109 downloads Research Papers August 26, 2015 Please login to download Research Paper #10 – Printing History of 1¢ and 2¢ Stamps of the Washington-Franklin Issue1 200 downloads Research Papers August 26, 2015 Please login to download Research Paper #09 – Printing History of the First Bureau Issue Plates, 1894-19031 145 downloads Research Papers August 26, 2015 Please login to download Research Paper #08 – Printing History of Booklet Panes Plates, 1900-19541 175 downloads Research Papers June 29, 2015 Please login to download Research Paper #07 – Production Records for the 1903 and 1914-15 Printings of the "Roosevelt" and "Panama-Pacific" Small Die Proofs1 100 downloads Research Papers June 29, 2015 Please login to download Research Paper #06 – Printing History of Special Delivery, Parcel Post, Parcel Post Due, Special Handling, Registration, Official Mail and Postal Savings Plates1 165 downloads Research Papers June 29, 2015 Please login to download Research Paper #05 – Printing History of Washington-Franklin 3¢-$5 Denominations1 198 downloads Research Papers August 26, 2015 Please login to download Research Paper #04 – Half-cent Presidential Bureau Precancels. Plate Numbers and Positions.1 104 downloads Research Papers June 29, 2015 Please login to download Research Paper #03 – Dummy Stamp Booklets, 3rd edition, 19981 112 downloads Research Papers June 29, 2015 Please login to download Research Paper #02A – Supplement – Folded-Style and Pressure Sensitive Booklet Checklist, Updated 13th Edition1 202 downloads Research Papers June 4, 2017 Please login to download Research Paper #02 – Folded-Style and Pressure Sensitive Booklet Checklist, Updated 13th Edition1 243 downloads Research Papers June 29, 2015 Please login to download Research Paper #01 – Printing History of U.S. Postage Dues, Series of 1894 and 1930 flat plate printings1 156 downloads Research Papers June 29, 2015 Please login to download Reprint #5 – The U.S. 1847 Issue1 300 downloads Reprints September 28, 2015 Please login to download Reprint #4 – Luminescent Tagging On United States Stamps1 382 downloads Reprints September 28, 2015 Please login to download Reprint #3 – Small Die Proofs of the 20th Century’s Second Quarter1 190 downloads Reprints September 28, 2015 Please login to download Reprint #2 – Perforation Measurements of United States Stamps1 437 downloads Reprints September 28, 2015 Please login to download Reprint #1 – The Washington-Franklin Heads: Simplified!1 606 downloads Reprints September 28, 2015 Please login to download