A semi-postal stamp or semipostal stamp, also known as a charity stamp, is a postage stamp issued to raise money for a particular purpose (such as a charitable...

A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the...

This is a survey of the postage stamps and postal history of Switzerland. The first stamps used in Switzerland were issued by the cantons of Zürich (1843)...

This is a survey of the postage stamps and postal history of the Russian Empire, the Soviet Union and the modern Russian Federation. Records mention a...

This is a survey of the postage stamps and postal history of New South Wales, a former British colony now part of Australia. New South Wales was the first...

stamp of 1914 was surcharged an additional 5c and sold as a semi-postal stamp. Sets of postage due stamps were also issued in 1906 and 1914. Stamps of...

the stamps and postal history of the Austrian Empire, Cisleithania within Austria-Hungary, and the Republic of Austria. The Austrian Empire stamps were...

A postal tax stamp refers to a stamp which raises revenue for charity or war related projects. Postal tax stamps are similar to semi-postals, except their...

A war tax stamp is a type of postage stamp added to an envelope in addition to regular postage. It is similar to a postal tax stamp, but the revenue is...

overprint in 1915 for use as semi-postal stamps. Stamps since 1958 have been inscribed "French Polynesia". A 20c French Colonies stamp overprinted for use in...