Mystic Stamp Learning Hub
Learn more about stamp collecting, take a dive into the history of stamps, or get any questions answered.
Learn more about stamp collecting, take a dive into the history of stamps, or get any questions answered.
Private Die Proprietary stamps are a special class of Revenue stamps. Unlike standard government-issued Revenue stamps, these were custom-designed and printed for individual companies, typically manufacturers of matches, medicines, perfumes, playing cards, and other proprietary goods.
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