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• Airmail 1929-1930

  Recess printed by the American Bank Note Company, New York. Line perf. 12.
  
  Dates of issue – 25c: May 5, 1930; 50c deep violet: November 4, 1929; 50c pale violet: March 3, 1931; 75c: March 3, 1930; 1g: November 30, 1929 (source: Michel catalog)
  Sc C1 ('30) / YT PA1

  Sc C2 / YT PA2

  Sc C3 ('30) / YT PA3

  Sc C4 / YT PA4