Precancel (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Precancel" in English language version.

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2precancels.com

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nwpl.org

Ed Kane; Charles Neyhart (January–February 2011). "Precancels as a sideline collection" (PDF). Book Reports of the Northwest Philatelic Library. 8 (1): 1–9. Retrieved 9 July 2021.

nytimes.com

Richard L. Sine (2 December 1984). "STAMPS; A COLLECTION OF PARCELS BEHIND BARS". The New York Times. Retrieved 9 July 2021.

pennypost.org

"THE MIKE FARRELL COLLECTION OF INDEPENDENT MAILS: Hale & Co" (PDF). Carriers and Locals Society. Retrieved 9 July 2021.

precancels.com

"What are precancels?". Precancel Stamp Society. Retrieved 30 June 2021.
"Glossary". Precancel Stamp Society. Retrieved 9 July 2021.

pssgb.org.uk

Colin Philip; Dave Philcox. "Illustrated Glossary of Precancels". Precancel Stamp Society GB. Retrieved 9 July 2021.

rfrajola.com

"Hale & Co.Independent Mail" (PDF). Frajola. Retrieved 9 July 2021.

unpi.com

"The United Nations Precancel, 1952–1958". United Nations Philatelists Inc. Retrieved 9 July 2021.

uspcs.org

chronicle.uspcs.org

Gordon Stimmell (August 2005). "Review: "Hale & Co. Independent Mail Company"" (PDF). U.S. Philatelic Classics Society. 57 (3): 181–182. Retrieved 9 July 2021.
Jeffrey M. Forster (August 2005). "Precancels on the 1869 Pictorial Issue" (PDF). U.S. Philatelic Classics Society. 57 (3): 186–189. Retrieved 9 July 2021.

usps.com

pe.usps.com

"Precanceled Stamps". USPS. Retrieved 9 July 2021.