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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 The others are unpublished. For those unpublished, your webmaster received them on the date indicated.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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