Rising Interest
Strong Revenue Potential
Universal Appeal
Creative
Rare stamps collecting
Thematic stamps collecting (e.g., animals, space)
Stamp exhibitions and contests
Topical stamps collecting (e.g., Olympic Games, World Cup)
Maximaphily (collecting maximum cards)
Local post and carrier stamps collecting
First day covers collecting
Postal history and postmark collecting
Personalized stamps and sheets collecting
Precancel and overprint stamps collecting
Geographical stamp collecting (e.g., countries or continents)
Revenue stamps collecting
Error and variety stamps collecting
Cinderella stamps collecting (e.g., promotional, charity, fantasy issues)
Digital and electronic stamp collecting
Historical stamps collecting
Commemorative stamps collecting
Airmail stamps collecting
Philatelic literature collecting
Philatelic investment and trading
