A number of items used at the moon crossing have been put up for auction.
Even the moon-covered items have been included in the auction.
The 50th anniversary of the moon crossing falls on the 20th.
Nearly 200 items used in the operation were put up for public sale at the auction.
The auction in New York was titled One Giant Leap: Celebrating Space Exploration 50 Years After Apollo 11.
One of the most sought after items at the auction is the Apollo 11 Travel Timetable.
Auctioneers say Neal Armstrong, the first man to land on the moon, and even the astronaut Edwin Aldrin, the astronaut on the moon.
It was valued at $ 7-9 million.
It is said that the photographs signed by the men involved in the operation have been put up for auction.
Some of these items have even covered the moon dust.
During the 1969 moon journey, Apollo 11 sent astronauts Neil Armstrong and Edwin Aldrin to the Moon.
It is considered one of the greatest achievements in human history.