Philatelic

Jul 26, 20222 min read

Newly recognized shade of a Scott 381 postmarked on May 12, 1912

If you think you might have a Scott 381 with this new shade of Brown Yellow, submit to PSAG and we will have it chemically analyzed for the

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Jan 26, 20221 min read

Scott 120

PSAG is excited to share this world-class gem with our PSAG followers. Scott 120 Used with light cancel and perfectly centered jumbo...

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Oct 19, 20211 min read

October is National Stamp Collecting Month

October is National Stamp Collecting Month! To celebrate, let's take a look back on the humble beginnings of stamps.

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Oct 7, 20211 min read

U.S. 24c Purple 1870 - 1875

The U.S. 24¢ Purple stamp has been a philatelic mystery for 122 years. As explained in the articles below, these stamps are particularly dif

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Jun 23, 20211 min read

233a – Error of Color (BLUE) Compared to a 233 Ultramarine.

Here is an example of the BLUE error of color variety for the 4c Columbian – 233a. Also attached is a 4c Colombian – 233. This is an...

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May 26, 20211 min read

“R.F.” Overprints on U.S. Postal Stationery, WWII & Our Newest Expert

Lewis Bussey, PSAG’s new expert on R.F. Overprints. Lewis has studied, collected and maintains a large database of this type of material...

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Mar 12, 20211 min read

March 2021 - Recently Expertized

The following stamps are exceptional quality and would be an excellent addition to any US stamp collection. PSAG Cert 589619 This is a...

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Nov 2, 20201 min read

The Latest in PSAG Services - Forensic Analysis for Color Varieties

PSAG has now added an extra component - forensic analysis for color varieties.

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