Bulgaria 1985 Young Inventors Exhibition - Bulgaria EXPO '85

From Stamps of the World
  • Issue Date: 23 September 1985
  • Designed by: L. Chehlarov
  • Print Run :
  • Print Process:
  • Perforations:
  • Stamp Size :
  • Bulgarian Catalog Numbers : 3432/34
  • Michel Catalog Numbers : 3391/98
BG# 3432 / M# 3391
BG# 3433 / M# 3392
BG# 3434 / M# 3393
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