American Philatelic Society Black Blot
American Philatelic Society Black Blot  Very few collectors today remember the APS Black Blot program. Begun in the 1960’s and finally ending in the early 1990’s, the Black Blot was a Seal of Disapproval given to new issues from various countries, which the APS deemed exploitive of collectors. The goal was high-minded, and the […]
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