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The sign accompanying the moon rock. It reads

Apollo 12 Moon Rock

Apollo 12, America's second lunar mission, left earth on November 14, 1969 and landed on the surface of the Moon in the early morning hours of November 19, 1969. Astronauts Charles Conrad and Alan Bean exited the landing module, Intrepid, twice, mainly to collect rock and soil samples. They were also the first astronauts to spend a full day on the Moon.

The original rock from which this 449 gram (15.9 oz) sample was taken weighed 2109 grams (4.7 lbs) and was collected at the Apollo 12 landing site, Ocean of Storms. Using radioactive techniques, scientists have determined the age of the rock to be about 3.3 billion years.