Bulgaria 1971 11th Congress of the Union of Bulgarian Philatelists

From Stamps of the World

  • Issue Date: 10 July 1971
  • Designed by: St. Kanchev
  • Print Run : 100,000
  • Print Process:
  • Perforations: 12½
  • Bulgarian Catalog Number : 2171
  • Michel Catalog Number : 2103
Bulgaria 1971 11th Congress of the Union of Bulgarian Philatelists 20+10st.jpg