Philatelic Terms

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Across
  1. 1. Some stamp inks fluoresce in different colours when viewed under ultra violet light.
  2. 6. Study and collection of commemorative labels.
  3. 7. A service licensed by Royal Mail to business which enables customers to write to a business without having to pay postage.
  4. 8. Common philatelic term which refers to any blemish in a stamp's design
  5. 11. the longest lived German stamp also used in many German Colonies.
  6. 13. General term for stamps, more specifically those with gum on the back
Down
  1. 2. A mark applied to a cover in addition to the postmark.
  2. 3. Water soluble and fugitive ink with a dye base that runs when wetted and fluoresces under a UV lamp
  3. 4. UPU 1951 special letter sheets printed on lightweight paper intended to be sent by airmail
  4. 5. An envelope, postcard or wrapper, with stamps affixed or printed on it to prepay postage and in a
  5. 9. Fraudulent imitations of stamp designs, overprints, surcharges or cancellations.
  6. 10. Name given to single postage stamps divided in half officially or privately and used postally.
  7. 12. Miniature war economy stamps of South Africa were so named because of their size.