1, ordinary stamp. Refers to stamps with large circulation, which are suitable for all kinds of mail and are the main categories of stamps. Ordinary stamps are the main products of weaving traditional stamps and postal history stamps, and they are also one of the objects of format research.
2. commemorative stamps. Generally, it is issued to commemorate major festivals or figures, among which "Old Ji Te" in 1950s and 1960s is one of the treasures, which is very popular among philatelists.
3. Special stamps. In many countries, it refers to stamps with special purposes or functions, but China's special stamps have another meaning, that is, stamps with special themes other than commemorative stamps and ordinary stamps.
4. airmail stamps. This is a stamp specially issued for airmail. Most countries in the world issue airmail stamps with planes as patterns.
5. owe stamps. This is a special stamp that the post office uses to collect unpaid postage from the recipient.
Extended data:
Introduction of other types of stamps:
Personalized stamp is a kind of stamp whose main picture is determined and the auxiliary ticket can be changed as needed. The design of the auxiliary ticket can be all kinds of contents under the legal constraints of major events, unit advertisements, personal photos, etc., which is also the embodiment of its personalization.
Electronic stamps can also be called automatic stamps or postage machine stamps. It is a postage paid voucher to meet the needs of postal automation. The computer-controlled automatic ticket vending machine preprints the pattern on a single stamp according to the postage face value required by the user and "spits it out" for sale.
References:
Baidu Encyclopedia-China Stamp Classification