BLOG | PSAG

May 11, 20231 min read

Ensuring Authenticity: Expert Advice for Beginner Stamp Collectors

by Randy Shoemaker Are you passionate about stamp collecting and eager to ensure the authenticity of your prized collection? Look no...

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

Randy Shoemaker

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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Randy Shoemaker

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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jillian932

Dec 13, 20211 min read

Happy Holidays from PSAG!

With the holiday season in full swing, the team at PSAG wants to wish our subscribers a very happy holiday season and all the best in...

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October is National Stamp Collecting Month

Randy Shoemaker

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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Randy Shoemaker

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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Doc. M Pepper

Aug 23, 20214 min read

Newspaper Stamps- What and Why?

Our Newest Expert - Meet Doc M. Pepper I am a United States Newspaper stamp expert! I am a leader in my field! To this my wife replies...

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

Randy Shoemaker

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

Randy Shoemaker

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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Randy Shoemaker

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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Identification Guide for U.S. Special Handling Stamps

Randy Shoemaker

Feb 12, 20212 min read

Identification Guide for U.S. Special Handling Stamps

Robert G. Rufe, President of Brandywine Valley Stamp Club, and Director of United States Stamp Society, has published Identification...

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Introduction to Unexploded Booklet Panes.

Randy Shoemaker

Jan 8, 20211 min read

Introduction to Unexploded Booklet Panes.

Expertising United States Unexploded Booklets by Tom Jacks These booklets were first issued in 1900 with the 2 cent stamp Scott #279....

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Guide to Expertizing U.S. Stamps for Genuineness

Randy Shoemaker

Dec 21, 20207 min read

Guide to Expertizing U.S. Stamps for Genuineness

Guide to Expertizing U.S. Stamps for Genuineness, with Randall Shoemaker, President and Owner of PSAG

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GET TO KNOW OUR NEW EXPERT—Dr. Harry Brittain, PhD, FRSC

Randy Shoemaker

Nov 17, 20201 min read

GET TO KNOW OUR NEW EXPERT—Dr. Harry Brittain, PhD, FRSC

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The Latest in PSAG Services - Forensic Analysis for Color Varieties

Randy Shoemaker

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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