Semipostal

A semipostal is a stamp with an additional amount added as a contribution to charity. they are also known as charity stamps, among other names. Most but not all are marked as such. Thus, it is a convenient way for mailers to give to charitable causes and has been used successfully in many countries.

Semipostals can be surcharged stamps or special issues. The stamps are usable for their basic denominations and not the total amount.

 File:Indochina semi.jpg|Indochina surcharge of 1914. File:France anti-cancer.jpg|France anti-cancer stamp of 1941. File:South Kasai semi.jpg|South Kasai semipostal surcharge. File:Germany modern semi.jpg|From Germany's flowering trees issue of 1979. 

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