1947 Air Letter Sheet

sALS 2. Image from a photocopy in the Shoemaker collection.

It is believed by Walter Guthrie, an air letter sheet collector and dealer, that only 2 examples are in existence[1].

Further reading

  • "Some Regularly-issued Air Letter Sheets Excessively Rare" / p. 13 / Postal Stationery / Guthrie, Walter R. / Jan-Feb 1958
  • "Liberia: New Information Comes to Light on Pioneer Aerogrammes" / pp. 114-115 / Aero Philatelist Annals / Apr 1959
  • Kessler's Catalogue of Aerograms, Volume II / Kessler, F.W. / 1968
  • Liberian Postal Stationery / Shoemaker, Dr. Robert E. / 2012

References

1. "Some Regularly-issued Air Letter Sheets Excessively Rare" / p. 13 / Postal Stationery / Guthrie, Walter R. / Jan-Feb 1958

See also

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