Balloon Posts World Catalogue 1783 - 1968 by Boesman. Drs. J,

Hard back book with colour pictorial cover.  260 pages, illustrated with B/W plates on nearly every page, index, bibliography.

The husband and wife authors, Jean and Nini Boesman, both active gas balloon pilots who travelled widely and describe their collection as …" a record of all balloonposts, stamps, souvenirs and vignettes issued in 60 countries of the world.