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

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

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    233a – Error of Color (BLUE) Compared to a 233 Ultramarine.
    Randy Shoemaker
    • Jun 23, 2021
    • 1 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...
    277 views0 comments
    The Latest in PSAG Services - Forensic Analysis for Color Varieties
    Randy Shoemaker
    • Nov 2, 2020
    • 1 min

    The Latest in PSAG Services - Forensic Analysis for Color Varieties

    PSAG has now added an extra component - forensic analysis for color varieties.
    162 views0 comments
    PSAG EXPERTIZES STAMPS FROM:
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    PHILATELIC STAMP AUTHENTICATION AND GRADING

    J. Randall Shoemaker

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