Now is definitely the time to sell it.

"Apollo 11 chart fetches astronomical price"

Star navigation aid for lunar surface sold at auction for $218,000

July 16, 2009

The Associated Press

NEW YORK - A navigational chart used by Apollo 11 astronauts has become the unexpected star of an auction in New York City marking the 40th anniversary of man's first lunar landing.

Bonhams New York said that the lunar surface star chart sold Thursday for an astronomical $218,000. The tool, with a 9-inch (23-centimeter) diameter, had been expected to bring in $70,000 to $90,000.

The device consists of two plastic discs riveted together. The lower disc shows Earth, the sun, planets and star patterns against a black background. The upper disc is a semi-transparent overlay that could be turned to calculate position.

Full article and (small) image of the chart here:

http://philosophyofscienceportal.blogspot.com/2009/07/apollo-11-star-chart-sells-for-218k.html