posted 03-31-2016 04:34 PM
These were acquired from the estate of the former CEO of a railroad car manufacturer (CEO at the time of the mission). On one, the Cernan signature has faded significantly. The thing that jumps out at me most is the "S" in Stafford of which one is not the standard cursive S. Do they pass muster?
However, I did find some covers with the same "S" style: