1947+1952, 5 first flight documents, Pan American clipper Bangkok to Manila, Bangkok to San Francisco, Bangkok to Calcutta and Bangkok to Guam (all 1947). In addition to that first flight documents Bangkok to Rangoon (1952) (Image 1) (Image)

Lot with compilations from 300, 500 respectively once 1000 different from old to (mostly) modern. In total 12 packs with in total 4900 stamps