Lot 10006 – 1921 (March) Buenos Aires to Asuncion del Paraguay

1921 (March) Buenos Aires to Asuncion del Paraguay flight, two 5c Orange tied to front by machine cds (March 29), special printed label on back reading “POR AEREOPLANO / PILOTO / Mayor S. G. Kingsley / MARZO 28 DE 1921” tied by two diff Paraguay receivers (dates almost legible) incl. Asuncion, and by Buenos Aires Exterior cds (March 29). Fine and extremely rare example of this “forgotten” pioneer effort by aviatrix Shirley Kingsley (later responsible for Buenos Aires to Montevideo trial flights in 1923); this event not listed by Müller, AAMC, etc.