Believe it or not but the family portrait of the Apollo-16 astronaut
It was a photo of 36-year old Charles Duke, his wife and their two sons and and he left it on the surface of the Moon when he and John Young had been to explore the Descartes Highlands in a Lunar Roving vehicle - Duke was the youngest human being to walk on the Moon.
The duo of Duke and Young had traveled 26.7-Km on the Moon.
The reverse of the photo is signed by his family members has the following words scribbled on it - 'this is the family of Astronaut Charles Duke from Planet Earth..'
Duke had also left a USAF medal on the Moon because the USAF was celebrating its 25th anniversary in 1972.
Incidentally, Apollo-16 was the 10th manned mission of the US Apollo space program, the fifth to land on the Moon and the first time that it reached the lunar highlands.
Its Commander was John Young, the Lunar Module pilot was Charles Duke and the Command Module pilot was Ken Mattngly.
The Apollo-16 had been launched from the Kennedy Space Center in Florida on 16th of April 1972 - it was an 11-day mission and ended on 27th of April 1972.
Some more popular recent and interesting reports –