Worldwide, 1950-1989, air etiquettes for Philatelic Expositions, Austria, photo essay of label for special flight to Philadelphia, Austrian stamp centenary; Bulgaria for 1989 show (3 singles, block of 6, sheetlet of 12); Czechoslovakia for Praga 1988 (3 singles and 2 sheetlets of 12); Germany sheetlet of 4 for 2nd Youth stamp show; Switzerland; US; sheetlet of 8 in 4 tete-beche pairs of triangular eitquette for special flight from Rome to Bombay during 1964 International Eucharistic Conference, nire lot. Suggested Bid $100-150 (Image)