Non-denominated postage (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Non-denominated postage" in English language version.

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1web.archive.org

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1alandstamps.com

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aarp.org

Skiba, Katherine (2021-12-15). "Beware Surge in Counterfeit Postage Stamps". AARP.

alandstamps.com

"Postal tariffs 2024 | www.alandstamps.com". www.alandstamps.com.

anpost.com

"Stamps & labels".

ap.org

hosted.ap.org

Post Office Unveils 'Forever' Stamp from Associated Press. Retrieved on 2007-03-26.

canadapost.ca

Chiykowski, Teresa, Melissa Morin and Nikki Sinclair. "First Flight in Canada." Details (Canada Post), Volume XVIII, Issue 1, January–March 2009, pp. 20–21.
Canada Post news release, 19 September 2006. Retrieved 2010-11-04
Canada Post, "What are PERMANENT stamps?", Retrieved 2015-12-04.
"Five-point Action Plan" (PDF). Canada Post. December 2013. Archived from the original (PDF) on 2013-12-22. Retrieved 2013-12-21.

ceskaposta.cz

Česká pošta, "Stamps identified with a letter", Retrieved 2021-09-30.

linns.com

"USPS promises the moon with global Forever stamp". Linns Stamp News.

nzpost.co.nz

"KiwiStamp postage stamp". www.nzpost.co.nz. New Zealand Post. November 5, 2013.

postnord.se

Postage rates for international letter

usps.com

about.usps.com

"Forever Stamp Fact Sheet". USPS. Retrieved 4 January 2020.
"Price Change Frequently Asked Questions". USPS. 2011.
"Introducing the New Global Forever stamp". USPS. 2013.
"Stamp Announcement 13-45: Global Forever®: Evergreen Wreath Stamp". about.usps.com.

web.archive.org

"Five-point Action Plan" (PDF). Canada Post. December 2013. Archived from the original (PDF) on 2013-12-22. Retrieved 2013-12-21.