Now comes 1975 Original Apollo-Soyuz mission medal. Dedicated to Alexei Leonov ( 1934 - 2019 ). Excellent condition, metal. Back side features his autograph. Measured 1.5 inches. Guaranteed to be authentic. Not a modern copy. Alexei Leonov became the first human to conduct a spacewalk, exiting the capsule during the Voskhod-2 mission for 12 minutes and 9 seconds of extravehicular activity on March 18, 1965. OH residents please add 8% tax.