Research Papers and Reprints Title Categories Update Date Download The 1903 Two Cent Washington Shield Issue1 132 downloads Exhibits August 5, 2024 Download Series 1902 United States1 124 downloads Exhibits August 1, 2024 Download Research Paper #25 – Prominent Americans Series: Bureau Precancel Printing History1 323 downloads Research Papers October 10, 2022 Please login to download U.S. VENDED POSTAL INSURANCE (1965-1985)1 121 downloads Exhibits June 30, 2021 Download The Transports – G.H Davis1 246 downloads Publications September 4, 2020 Please login to download The Prexies – Roland E. Rustad1 289 downloads Publications September 4, 2020 Please login to download United States Postage Stamps 1945-1952 – Sol Glass1 227 downloads Publications September 4, 2020 Please login to download The Airmail Special Delivery Stamps of the United States – Ralph L. Sloat1 217 downloads Publications September 4, 2020 Please login to download BIA Plate Number Checklist 20000-41303 Compiled by John L. Larsen & Kim D. Johnson1 196 downloads Publications September 9, 2020 Please login to download BIA Plate Number Checklist 1-20000 – Compiled by Wallace Cleland1 250 downloads Publications September 9, 2020 Please login to download Exhibit: The U.S. “Pictorial Issue” of 1869 & Its Use1 149 downloads Exhibits August 1, 2024 Download Exhibit: Lincoln Definitives – The 4 Cent & 5 Cent Issues 1890-19081 113 downloads Exhibits August 1, 2024 Download Exhibit: Jamestown 19071 125 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 132 downloads Exhibits August 1, 2024 Download Exhibit: Washington – Franklin 1¢1 165 downloads Exhibits August 1, 2024 Download Exhibit: Washington, Franklin, Head Series Postal History: Rates and Use 1908-19231 176 downloads Exhibits August 1, 2024 Download U. S. Postal History of Companies Using Perforated Control Marks1 116 downloads Exhibits August 1, 2024 Download Exhibit: Purple Horrors: U.S. 3¢ Commemoratives 1904 – 19451 119 downloads Exhibits August 1, 2024 Download Exhibit: Washington-Franklins on Cover and Piece1 153 downloads Exhibits August 1, 2024 Download Research Paper #24 – The Scarce Imperforate 4¢ Ulysses S. Grant Stamp of 19081 247 downloads Research Papers January 14, 2022 Please login to download Exhibit: Martha Washington1 101 downloads Exhibits August 1, 2024 Download Exhibit: Use of the Presidential Issue of 19381 147 downloads Exhibits August 1, 2024 Download Exhibit: Prexies at Work1 123 downloads Exhibits August 1, 2024 Download Exhibit: U.S. Registry System – The First 75 Years1 106 downloads Exhibits August 1, 2024 Download Exhibit: B.E.P. Produced Great Americans Issues1 145 downloads Exhibits August 1, 2024 Download Exhibit: Three-Cent Stamps of the 1954 Liberty Series1 121 downloads Exhibits August 1, 2024 Download Exhibit: Uses of the 1954 Liberty Series1 151 downloads Exhibits August 1, 2024 Download Prominent Americans1 193 downloads Exhibits August 1, 2024 Download Exhibit: Tomorrow’s Classics / (U.S. Flag & Transportation Coil Issues of 1981)1 125 downloads Exhibits August 1, 2024 Download Exhibit: OCR Bar Codes 1983 – 1987 / Half a Decade of Human and Machine Errors1 73 downloads Exhibits August 1, 2024 Download Research Paper #23 – The B.I.A. Check List of the Postage Stamp Booklet Covers1 235 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 131 downloads Research Papers July 18, 2015 Please login to download Research Paper #21 – Printing History of the 6¢ 1938 Airmail Stamp, Scott C231 125 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 92 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 66 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 88 downloads Research Papers August 26, 2015 Please login to download Research Paper #17 – Printing History of 3¢ Stuart Coil Plates: Series 19321 66 downloads Research Papers August 26, 2015 Please login to download Research Paper #16 – U.S. Postal Insurance Booklets (1965-1985)1 111 downloads Research Papers August 26, 2015 Please login to download Research Paper #15 – Printing History of Series 1922 Flat Plates Used for Sheet Stamps1 103 downloads Research Papers August 26, 2015 Please login to download Research Paper #14 – Printing History of Coil Plates, Series 19221 80 downloads Research Papers August 26, 2015 Please login to download Research Paper #13 – Printing History of Rotary Sheet Plates, Series 19221 100 downloads Research Papers August 26, 2015 Please login to download Research Paper #12 – 1954 Liberty Series Plate Activity & Precancel Checklists1 140 downloads Research Papers August 26, 2015 Please login to download Research Paper #11 – Printing History of Second Bureau Plates Used for Sheet Stamps1 101 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 184 downloads Research Papers August 26, 2015 Please login to download Research Paper #09 – Printing History of the First Bureau Issue Plates, 1894-19031 129 downloads Research Papers August 26, 2015 Please login to download Research Paper #08 – Printing History of Booklet Panes Plates, 1900-19541 155 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 92 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 155 downloads Research Papers June 29, 2015 Please login to download Research Paper #05 – Printing History of Washington-Franklin 3¢-$5 Denominations1 184 downloads Research Papers August 26, 2015 Please login to download Research Paper #04 – Half-cent Presidential Bureau Precancels. Plate Numbers and Positions.1 95 downloads Research Papers June 29, 2015 Please login to download Research Paper #03 – Dummy Stamp Booklets, 3rd edition, 19981 98 downloads Research Papers June 29, 2015 Please login to download Research Paper #02A – Supplement – Folded-Style and Pressure Sensitive Booklet Checklist, Updated 13th Edition1 190 downloads Research Papers June 4, 2017 Please login to download Research Paper #02 – Folded-Style and Pressure Sensitive Booklet Checklist, Updated 13th Edition1 218 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 143 downloads Research Papers June 29, 2015 Please login to download Reprint #5 – The U.S. 1847 Issue1 283 downloads Reprints September 28, 2015 Please login to download Reprint #4 – Luminescent Tagging On United States Stamps1 353 downloads Reprints September 28, 2015 Please login to download Reprint #3 – Small Die Proofs of the 20th Century’s Second Quarter1 172 downloads Reprints September 28, 2015 Please login to download Reprint #2 – Perforation Measurements of United States Stamps1 403 downloads Reprints September 28, 2015 Please login to download Reprint #1 – The Washington-Franklin Heads: Simplified!1 549 downloads Reprints September 28, 2015 Please login to download