Envelopes of the First Day of issue with Redemption of the First Day Komos USSR 1981 !!!

Postal Konver with the Stamp "10th Anniversary of the 1st Manned Arbitration Station Salyut" . Moscow Printing House of Goznak A. Zhrebin 1981. With Redemption to the stamps on the cover of the First Day 19.04.1981

A set of 3 First Day covers with Stamps "10 years of flight by 1 arbitral station Salyut" Moscow printing house of Goznak Artist G.Komlev . On the cover canceled with the stamp "First Day 12.04.1981

Look carefully at the pictures, this is the best description of the product !!!