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Articles by John Ryskamp

In this section, we present articles by John Ryskamp published originally in U.S. Stamp News, focusing mainly on computer vended postage.

We thank John Ryskamp and U.S. Stamp News for permission to present these articles on our site.

Publication Year Month
Thin Frameline Constant Varieties on Scott 3CVP1 and 3CVP2 U.S. Stamp News 2008 September
On Owning Every Example of a Stamp U.S. Stamp News 2008 July
The Invisible Stamp.com Varieties U.S. Stamp News 2008 May
1c APC Stamp (and Error, and Revalued) Likely Rare U.S. Stamp News 2008 February
The Four Types of Neopost CVP39 U.S. Stamp News 2007 October
Neopost Computer Vended Postage First Day Stamps & Covers U.S. Stamp News 2007 August
The Story of a Unique Stamp; U.S. Stamp News 2007 April
A Checklist for Neopost Collectors U.S. Stamp News 2007 March
Neopost Selvage Errors U.S. Stamp News 2007 February
The Neopost First Day Overprints U.S. Stamp News 2006 December
More Errors On Neopost Stamps, Part 2 U.S. Stamp News 2006 November
More Errors On Neopost Stamps U.S. Stamp News 2006 September
Invert and Mirror Image Grid Errors On the Neopost Stamps U.S. Stamp News 2006 July

Some of the following articles appeared in The EFO Collector, however, the web version may have additional material. The others are unpublished. For those unpublished, your webmaster received them on the date indicated.

Publication Year Issue Date
Stamps for a Non-Existent Service The EFO Collector 2017 188 (July-September)
Historic Spiderman Inverts The EFO Collector 2014 176 (July-September)
Note on Luce Scratchhes The EFO Collector 2010 159 (April-June)

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