Stamps
Philatelic is an interest, but also a kind of knowledge, but also an investment. Through the collection and study of various stamp products, stamp attendants in addition to learn the history of the world, geography, flowers, fish and insects and other related knowledge, but also can cultivate a meditation of the taste and cultivation tolerance. It is estimated that there are 30 million collectors in the world. Stamps not only contain stamps, but also include postal services issued and used by the closure, film, Jane, poke and other postal supplies. There are various forms of stamps, including the first day cover, international postage air envelope, souvenir cover, original card, postcard, souvenir sheet, small promissory note, small sheet, commemorative postmark, ...