Research Papers and Reprints Title Categories Update Date Download Exhibit: The U.S. “Pictorial Issue” of 1869 & Its Use 1 file(s) 73 downloads Exhibits February 21, 2019 Please login to download Exhibit: Lincoln Definitives – The 4 Cent & 5 Cent Issues 1890-1908 1 file(s) 73 downloads Exhibits February 23, 2019 Please login to download Exhibit: Series 1902 – United States 1 file(s) 104 downloads Exhibits February 21, 2019 Please login to download Exhibit: Jamestown 1907 1 file(s) 64 downloads Exhibits February 21, 2019 Please login to download Exhibit: Washington-Franklins Design & Stamp Development 1 file(s) 72 downloads Exhibits February 23, 2019 Please login to download Exhibit: Washington-Franklins, 1908 – 1922 Earliest Documented Use 1 file(s) 68 downloads Exhibits February 23, 2019 Please login to download Exhibit: Washington – Franklin 1¢ 1 file(s) 101 downloads Exhibits February 23, 2019 Please login to download Exhibit: Washington, Franklin, Head Series Postal History: Rates and Use 1908-1923 1 file(s) 77 downloads Exhibits February 23, 2019 Please login to download U. S. Postal History of Companies Using Perforated Control Marks 1 file(s) 58 downloads Exhibits February 21, 2019 Please login to download Exhibit: Purple Horrors: U.S. 3¢ Commemoratives 1904 – 1945 1 file(s) 61 downloads Exhibits February 21, 2019 Please login to download Exhibit: Washington-Franklins on Cover and Piece 1 file(s) 81 downloads Exhibits November 13, 2019 Please login to download Research Paper #24 – The Scarce Imperforate 4¢ Ulysses S. Grant Stamp of 1908 1 file(s) 170 downloads Research Papers September 26, 2017 Please login to download Exhibit: Martha Washington 1 file(s) 57 downloads Exhibits February 23, 2019 Please login to download Exhibit: Use of the Presidential Issue of 1938 1 file(s) 90 downloads Exhibits February 21, 2019 Please login to download Exhibit: Prexies at Work 1 file(s) 61 downloads Exhibits February 21, 2019 Please login to download Exhibit: U.S. Registry System – The First 75 Years 1 file(s) 57 downloads Exhibits February 21, 2019 Please login to download Exhibit: B.E.P. Produced Great Americans Issues 1 file(s) 90 downloads Exhibits February 21, 2019 Please login to download Exhibit: Three-Cent Stamps of the 1954 Liberty Series 1 file(s) 63 downloads Exhibits August 26, 2015 Please login to download Exhibit: Uses of the 1954 Liberty Series 1 file(s) 63 downloads Exhibits February 21, 2019 Please login to download Prominent Americans 1 file(s) 71 downloads Exhibits February 23, 2019 Please login to download Exhibit: U.S. Vended Postal Insurance 1965 – 1985 / A Failed Experiment 1 file(s) 43 downloads Exhibits August 4, 2015 Please login to download Exhibit: Tomorrow’s Classics / (U.S. Flag & Transportation Coil Issues of 1981) 1 file(s) 66 downloads Exhibits February 21, 2019 Please login to download Exhibit: OCR Bar Codes 1983 – 1987 / Half a Decade of Human and Machine Errors 1 file(s) 39 downloads Exhibits August 4, 2015 Please login to download Research Paper #23 – The B.I.A. Check List of the Postage Stamp Booklet Covers 1 file(s) 136 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 Issue 1 file(s) 83 downloads Research Papers July 18, 2015 Please login to download Research Paper #21 – Printing History of the 6¢ 1938 Airmail Stamp, Scott C23 1 file(s) 68 downloads Research Papers August 26, 2015 Please login to download Research Paper #20 – Selected Records from the Files of the 3rd Assistant Postmaster General 1869-1889 1 file(s) 54 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 Issues 1 file(s) 39 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 Stamps 1 file(s) 43 downloads Research Papers August 26, 2015 Please login to download Research Paper #17 – Printing History of 3¢ Stuart Coil Plates: Series 1932 1 file(s) 38 downloads Research Papers August 26, 2015 Please login to download Research Paper #16 – U.S. Postal Insurance Booklets (1965-1985) 1 file(s) 61 downloads Research Papers August 26, 2015 Please login to download Research Paper #15 – Printing History of Series 1922 Flat Plates Used for Sheet Stamps 1 file(s) 54 downloads Research Papers August 26, 2015 Please login to download Research Paper #14 – Printing History of Coil Plates, Series 1922 1 file(s) 44 downloads Research Papers August 26, 2015 Please login to download Research Paper #13 – Printing History of Rotary Sheet Plates, Series 1922 1 file(s) 51 downloads Research Papers August 26, 2015 Please login to download Research Paper #12 – 1954 Liberty Series Plate Activity & Precancel Checklists 1 file(s) 76 downloads Research Papers August 26, 2015 Please login to download Research Paper #11 – Printing History of Second Bureau Plates Used for Sheet Stamps 1 file(s) 57 downloads Research Papers August 26, 2015 Please login to download Research Paper #10 – Printing History of 1¢ and 2¢ Stamps of the Washington-Franklin Issue 1 file(s) 97 downloads Research Papers August 26, 2015 Please login to download Research Paper #09 – Printing History of the First Bureau Issue Plates, 1894-1903 1 file(s) 72 downloads Research Papers August 26, 2015 Please login to download Research Paper #08 – Printing History of Booklet Panes Plates, 1900-1954 1 file(s) 87 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 Proofs 1 file(s) 57 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 Plates 1 file(s) 84 downloads Research Papers June 29, 2015 Please login to download Research Paper #05 – Printing History of Washington-Franklin 3¢-$5 Denominations 1 file(s) 106 downloads Research Papers August 26, 2015 Please login to download Research Paper #04 – Half-cent Presidential Bureau Precancels. Plate Numbers and Positions. 1 file(s) 62 downloads Research Papers June 29, 2015 Please login to download Research Paper #03 – Dummy Stamp Booklets, 3rd edition, 1998 1 file(s) 60 downloads Research Papers June 29, 2015 Please login to download Research Paper #02A – Supplement – Folded-Style and Pressure Sensitive Booklet Checklist, Updated 13th Edition 1 file(s) 92 downloads Research Papers June 4, 2017 Please login to download Research Paper #02 – Folded-Style and Pressure Sensitive Booklet Checklist, Updated 13th Edition 1 file(s) 106 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 printings 1 file(s) 79 downloads Research Papers June 29, 2015 Please login to download Reprint #5 – The U.S. 1847 Issue 1 file(s) 181 downloads Reprints September 28, 2015 Please login to download Reprint #4 – Luminescent Tagging On United States Stamps 1 file(s) 242 downloads Reprints September 28, 2015 Please login to download Reprint #3 – Small Die Proofs of the 20th Century’s Second Quarter 1 file(s) 118 downloads Reprints September 28, 2015 Please login to download Reprint #2 – Perforation Measurements of United States Stamps 1 file(s) 297 downloads Reprints September 28, 2015 Please login to download Reprint #1 – The Washington-Franklin Heads: Simplified! 1 file(s) 364 downloads Reprints September 28, 2015 Please login to download