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Aviation Week 1960-1961
Airmail Stamps (December 17, 1960)
Souvenir Sheet (December 17, 1960)
Official Airmail Stamps (April 1961)
Usually only available in CTO condition, dated March 1961 - the mint stamps are rare.Official Souvenir Sheet (April 1961)
Usually only available in CTO condition, dated March 1961 - the mint souvenir sheet is rare.18th International Boy Scout Conference 1961 - Airmail Stamps (September 30, 1961)
18th International Boy Scout Conference 1961 - Souvenir Sheet (September 30, 1961)