This is an authentic Souvenir Sheet from Russia and the Soviet Union, issued between 1971-1980. The sheet is in mint never hinged condition and has not been certified. The grade is VF/XF (Very Fine/Extremely Fine) and it showcases six different stamps with the Sc # 4608a-f and Mi # 4655-4660. This item is perfect for stamp collectors who are interested in the history of Russia and the Soviet Union. The Souvenir Sheet is a great addition to any collection and is sure to impress.