This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Soviet UnionStamp.. Cosmonautics Day. Soviet Union kopeks stamp Cosmonautics Day scanned this image PDRUexempt stamps Stamps of the Soviet Union all stamps Salyut space stations on stamps Earth on stamps
Page 2023 Free-images.com. All images are Public Domain