Combination (C)

Soviet Union 1972 / Set of 5 stamps / mint condition /

Michel #4020-24 / Yvert #3836-40

+

Soviet Union 1972 / Mini-sheet perforated (issued on July 1st) / mint condition /

Michel #Block 77 / Yvert #BF76

+

Soviet Union 1972 / Overprinted Mini-sheet (issued on November 15th) / mint condition /

Michel #Block 80 / Yvert #BF79

Note: The black hawid is not included.