Worldwide, Airmail Covers, Etiquettes & Vignettes, 1912-1970. Comprehensive selection of nearly 500 airpost usages, mostly pre-WWII, along with many hundreds of etiquettes mainly identified by Muller, and very colorful vignettes from the earliest aviation expositions onwards; wide range of countries, Europe & Colonies, the Americas, Asia, Africa, the Pacific, etc; well worth a detailed evaluation, with many surprises to be uncovered; inspection a must. Estimate  $1,000 - 1,500. $0