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Die proof
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#	Item
21	SMITHSONIAN CHANNEL: OUT OF THE VAULT: THE CERTIFIED PLATE PROOF COLLECTION Transcript provided by Smithsonian National Postal Museum [Music] [Text]: Out of the Vault: The Certified Plate Proof Collection [Whirring of kn Add to Reading List Source URL: npm.si.edu Language: English - Date: 2009-12-10 17:03:54 Postage stamp National Postal Museum Die proof Philately United States Postal Service Mail
22	Media only: Meradyth Moore[removed]Media website: http://newsdesk.si.edu Postmaster General’s Collection Comes to the Smithsonian Add to Reading List Source URL: npm.si.edu Language: English - Date: 2010-05-24 11:07:42 United States Postal Service Postage stamps of the United States National Postal Museum Die proof Postage stamps and postal history of the United States Inverted Jenny Postage stamp W. Wilson Hulme II Board of Inland Revenue Stamping Department Archive Philately Collecting Philatelic literature
23	Determining Die Doubling from Other Forms of Doubling by J.T. Stanton, NLG Introduction Explaining the difference between die doubling (doubled dies, repunched dates, repunched mintmarks among others) and the more confus Add to Reading List Source URL: hermes.csd.net Language: English - Date: 2014-01-04 22:59:13 Coins Doubled die Penny Nickel Die-deterioration doubling Proof coinage Shield nickel Buffalo nickel Quarter Currency Coins of the United States Numismatics
24	Tips van een SEPA-expert Tecteo bijna SEPA-proof “Niet langer wachten, en goed de hoofdzaken van de bijzaken onderscheiden.” Dat zijn alvast gouden SEPA-tips van Byron Soulopoulos, die ervoor zorgt dat Tecteo Group Add to Reading List Source URL: www.ingsepa.com Language: Dutch - Date: 2013-10-09 10:15:15
25	The Colors of Martin Van Buren: An Engraved Postage Stamp[removed]Diane DeBlois & Robert Dalton Harris Introduction In 1980 we ﬁrst examined the problem of the identiﬁcation and naming of postage stamp color vari Add to Reading List Source URL: www.postalmuseum.si.edu Language: English - Date: 2011-09-20 08:30:11 Image processing Perception Vision CIE 1931 color space Chromaticity Luminance Gamut Postage stamps and postal history of the United States Die proof Color Optics Photometry
26	PROOFS ENCLOSED Date: ______________________ Manuscript:_____________________________________________________ Author(s): ___________________________________ Attached are proofs for the above manuscript. Please read the a Add to Reading List Source URL: www.fs.fed.us Language: English - Date: 2008-05-08 13:20:58 Proof theory Mathematical logic Automated theorem proving Mathematical proof Proof Die proof Logic Mathematics Theoretical computer science
27	The Chicago Manual of Style Online: E-mail Message to Author: Proofs Available Online Add to Reading List Source URL: www.chicagomanualofstyle.org Language: English - Date: 2014-03-25 21:35:24 Knowledge Epistemology Mathematical logic Mathematical proof Die proof
28	S t a m p P r o d u c t s f r o m t h e U. S . P o s t al S e r v i c e In 1918, Source Code 13149 Add to Reading List Source URL: www.postalmuseum.si.edu Language: English - Date: 2013-08-22 13:14:43 Airmail Inverted Jenny Postage stamp Die proof Index of philatelic articles Philately Postage stamps of the United States Stamp collecting
29	S t a m p P r o d u c t s f r o m t h e U. S . P o s t al S e r v i c e In 1918, Source Code 13149 Add to Reading List Source URL: www.postalmuseum.si.edu Language: English - Date: 2013-08-22 13:14:43 Airmail Inverted Jenny Postage stamp Die proof Index of philatelic articles Philately Postage stamps of the United States Stamp collecting
30	Media only: Meradyth Moore[removed]Media website: http://newsdesk.si.edu Postmaster General’s Collection Comes to the Smithsonian Add to Reading List Source URL: www.postalmuseum.si.edu Language: English - Date: 2010-05-24 11:07:42 United States Postal Service Postage stamps of the United States National Postal Museum Die proof Postage stamps and postal history of the United States Inverted Jenny Postage stamp W. Wilson Hulme II Board of Inland Revenue Stamping Department Archive Philately Collecting Philatelic literature