Poland 1957 Airmail - National Philatelic Exhibition in Warsaw

From Stamps of the World
  • Issue Date: 28 March 1957
  • Designed by: S. Jasiński
  • Printed by:
  • Print Process:
  • Perforations: 11½ x 11¾
  • Michel Catalog Number: 1004
Poland 1957 Airmail - National Philatelic Exhibition in Warsaw 4zl+2.jpg
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