Combination
Valentin Serov
Soviet Union 1965 / Set of 2 stamps / mint condition /
Michel #3082-83 / Yvert #2972-73
+
Sergey Gerasimov and Pavel Fedotov
Soviet Union 1965 / Set of 2 stamps / mint condition /
Michel #3166-67 / Yvert #2974-75
Note: The black hawid is not included.