Approximately 1 x .25 piece of flight-flown coldplate metal used to shield the Apollo 11 Command Module Columbia as it carried the crew to and from the moon. The fragment is encased in a 3.5 x 5 x 1.5 block of Lucite imprinted with the mission name and an identifying notation. A highly desirable flight-flown item from Apollo 11! RRAuction COA.