How to commemorate the moonwalk

Lunar dust, star charts, and the astronauts' checklist -- it's moonwalk memorabilia for sale at Bonham's auction house in New York, marking the 40th anniversary of man's first steps on the moon. On July 20th, 1969 the Apollo 11 landed on the moon. US Astronaut Neil Armstrong stepped out of the lunar module as millions back on Earth watched in awe.