Frequently balloon mail is sent as part of a balloon competition.

Balloon mail is a similar method of sending undirected messages through the air.

Balloon mail was also used to overcome the communications blockade, with a rate of 20 cents per letter.

Balloon mail was also carried on an 1877 flight in Nashville, Tennessee.

Balloon mail, on manned but mainly unmanned paper balloons, was also carried out of the city.

The advantage of balloon mail is that it can be launched anywhere and can in principle reach any point on Earth.

Balloons can be both manned and unmanned but balloon mail is not a common form of mail transport.

Since the balloon is not controllable, the delivery of a balloon mail is left to good fortune; often the balloon and postcard are lost.

'Champion has one of the top ten airmail collections in Europe: Zeppelins, French airships, balloon mail and pioneer nights.

Balloon mail was also sent from Przmyśl, Poland, (near the Ukrainian border) during World War I.

Balloon mail has been used for spreading information and propaganda materials, in particular for spreading propaganda to the population in countries with dictatorial governments.

Balloon mail was employed during the Siege of Paris to get mail out of the city during the Franco-Prussian War in 1870.

Small, light objects (postcards, in balloon mail for example) are sometimes placed in balloons along with helium and released into the air and, when the balloon eventually falls, the object inside might be found by another person.

While most of the study of airmail assumes transport by fixed-wing aircraft, the fields of balloon mail, dirigible mail, zeppelin mail, missile mail, and rocket mail are active subspecialties.

Balloon mail refers to the transport of mail (usually for weight reasons in the form of a postcard) carrying the name of the sender by means of an unguided hydrogen or helium filled balloon.

This method of balloon mail has been used by private activists to distribute leaflets to Warsaw Pact countries from West Germany in the mid-1950s; and by South Koreans to North Korean discussing the health of their leader, Kim Jong-il.