Randy ShoemakerJul 26, 20222 minNewly recognized shade of a Scott 381 postmarked on May 12, 1912If 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
Randy ShoemakerOct 7, 20211 minU.S. 24c Purple 1870 - 1875The U.S. 24ยข Purple stamp has been a philatelic mystery for 122 years. As explained in the articles below, these stamps are particularly dif
Randy ShoemakerNov 2, 20201 minThe Latest in PSAG Services - Forensic Analysis for Color VarietiesPSAG has now added an extra component - forensic analysis for color varieties.