Challenging puzzle for experienced crossword solvers
Hidden Gems of Rare Stamp Issues
Moderate difficulty suitable for most players
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Across
- 1. One of the world's first illustrated postal stationery types
- 4. Royal symbols often depicted on rare stamps
- 5. Unintentional flaws on stamps that increase their value
- 7. Material used in some early stamps' frame decorations
Down
- 2. Type of stamp used to collect taxes rather than postage
- 3. Additional text or marking printed on an existing stamp
- 6. A printing error causing an upside-down design
- 8. Pattern of holes punched to identify official stamp use
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- Discover the secrets behind the world's most obscure and rare postal stamps through this challenging crossword puzzle.