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...
Ensuring Authenticity: Expert Advice for Beginner Stamp Collectors
Newly recognized shade of a Scott 381 postmarked on May 12, 1912
Scott 120
Happy Holidays from PSAG!
October is National Stamp Collecting Month
U.S. 24c Purple 1870 - 1875
Newspaper Stamps- What and Why?
233a – Error of Color (BLUE) Compared to a 233 Ultramarine.
“R.F.” Overprints on U.S. Postal Stationery, WWII & Our Newest Expert
March 2021 - Recently Expertized
Identification Guide for U.S. Special Handling Stamps
Introduction to Unexploded Booklet Panes.
Guide to Expertizing U.S. Stamps for Genuineness
GET TO KNOW OUR NEW EXPERT—Dr. Harry Brittain, PhD, FRSC
The Latest in PSAG Services - Forensic Analysis for Color Varieties