CrosswordMint
Rare Vintage Stamps Uncovered
Explore a crossword featuring forgotten and rare postal stamps from history.
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Across
  • 1. Holes separating individual stamps
  • 2. Hidden design to prevent forgery
  • 6. Famous stamp error with upside-down printing
  • 8. Study and collection of postage stamps
Down
  • 3. Mark indicating a stamp has been used
  • 4. Additional markings printed on a stamp
  • 5. Sample stamp distributed for reference
  • 7. Printing defect increasing a stamp's rarity
  • 9. Mistake in stamp production
  • 10. Trial design for a potential stamp

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