Gilbert, G. N., Basutoland, Some Historical Notes with special ref ... COL-L-EU-Luxemburg Airmail issue individually and as

Airmail issue individually and as a block of four 'upside down'

study for MiNr

This is the largest collection of such letters in the German-speaking world

World Philatelic Exhibition Istanbul

front cover with illustration of the 3rd Reich stamp 'Helgoland 50 years German' (Helgoland returned to Germany in 1952) #40484

Gilbert, G. N., Basutoland, Some Historical Notes with special ref ... COL-L-EU-Luxemburg Airmail issue individually and asGilbert, GN, Basutoland, Some Historical Notes with special reference to Postal Matters, Phil. Federation South Africa, ca 1950, ca. 20 pages with illustrations, simple COPY of the rare booklet #68824