Across
- 2. Counterfeit stamp
- 5. Printing defect
- 6. Used stamp mark
- 8. Follow-up to Penny Black
- 15. Scarce stamp
- 18. Stamp verification
- 19. Date stamp
- 21. Assemblage of stamps
- 22. Stamp value appreciation
- 23. Unperforated stamps
Down
- 1. Relating to mail
- 3. Stamp reference book
- 4. Stamp printing surface
- 7. Stamp storage book
- 9. Public display
- 10. Stamp printing method
- 11. Postal stationery
- 12. Stamp collection storage
- 13. Embedded design
- 14. First adhesive stamp
- 16. Rare stamp find
- 17. Scarce stamp
- 19. number Stamp identifier
- 20. Sample stamp
- 24. Stamp collector