Apollo 10 Firing Command Switch Button

"Firing Command Switch" Button "This Firing Command Switch was used to initiate the terminal countdown sequences of the first lunar module to orbit the moon (Apollo 10) and the first three manned Skylab missions". It was "Presented to Dr. Hans Gruene for his dedicated service in space explorations from 1943 to 1973 from Launch Vehicle Operations". The button is mounted on a wooden presentation plaque (8x11") with two metal descriptive plaques. Unique and of the utmost importance to any collection.