![[APOLLO 11]. An Apollo 11 launch cover with the Dow-Unicover cachet. [U, postmark KSC, 16 July 1969]. SIGNED BY NEIL ARMSTRONG, MICHAEL COLLINS, AND BUZZ ALDRIN.](https://www.christies.com/img/LotImages/1999/NYE/1999_NYE_08209_0284_000(120026).jpg?w=1)
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[APOLLO 11]. An Apollo 11 launch cover with the Dow-Unicover cachet. [U, postmark KSC, 16 July 1969]. SIGNED BY NEIL ARMSTRONG, MICHAEL COLLINS, AND BUZZ ALDRIN.