Flown piece of coldplate metal used to shield the Apollo 11 Command Module Columbia as it carried the crew to and from the moon. The triangular-shaped fragment measures approximately .75 x .5 and is encased in a 3.25 x 5 x 1.5 block of Lucite imprinted with the mission name and an identifying notation. In fine condition. Presentation comes in its original box with a certificate from Historic Space numbered 68.