Three flown pages from the book Neil Armstrong and Buzz Aldrin used to land the Apollo 11 module will cross the block at Heritage Auctions.
The lot comes from Aldrin's personal collection.
The pages include the instructions for the whole landing sequence, from the "P63 Braking Phase" to the "P68 Landing Confirmation".
It's accompanied by a lengthy letter of provenance by Aldrin, detailing the entire process. He writes: "These are the most significant pages from the entire dictionary, and from my view point, some of the most important pages available to us during the entire flight.
"These steps enabled the actual landing by Man on the surface of the Moon."
It last sold at Bonhams for $152,000 in 2009, a figure it's likely to exceed by a wide margin, such has been the growth in demand for Apollo 11 memorabilia in recent years.
Bidding will open at $62,500 ahead of a close date of May 20.
The auction house comments: "It doesn't seem a stretch to liken these pages to the logbook or navigation charts used by Christopher Columbus on his historic voyage to America…
"This was one of only a handful of human accomplishments that are recognized as an historic landmark by all the world's citizenry and arguably the most important of those to occur in our lifetimes."
We have a page from Life magazine signed by all three members of the Apollo 11 crew.
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