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PSAG, Inc. PO Box 410880, Melbourne, FL 32941

FEDERAL EXPRESS: Attention: PSAG, Inc. 3960 Dow Road, Melbourne, FL 32934

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

Randy Shoemaker

Jul 26, 20222 min

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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U.S. 24c Purple 1870 - 1875

Randy Shoemaker

Oct 7, 20211 min

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

Randy Shoemaker

Jun 23, 20211 min

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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March 2021 - Recently Expertized

Randy Shoemaker

Mar 12, 20211 min

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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The Latest in PSAG Services - Forensic Analysis for Color Varieties

Randy Shoemaker

Nov 2, 20201 min

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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