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Impossible figures design type

  • Colnect-4255-395-Impossible-Triangle.jpg
  • Colnect-4255-397-Impossible-Figure.jpg
  • Colnect-4255-399-Impossible-Figure.jpg
Short desc: Impossible figures




Used by 3 stamps: (See all uses as list)

Sweden 2/16/1982 25o brn issue=Impossible figures
Sweden 2/16/1982 50o ol issue=Impossible figures
Sweden 2/16/1982 75o graybl issue=Impossible figures perf=12.5h




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