Original Ex NASA Employee - Apollo Era 1st Day Cover
Apollo 13
Kennedy Space Center - April 11, 1970 ( Envelope Mail Date ) ( Launch Day )
* A commemorative letter that was mailed on key event days of this

Original Ex NASA Employee - Apollo Era 1st Day Cover
Apollo 13
Kennedy Space Center - April 11, 1970 ( Envelope Mail Date ) ( Launch Day )
* A commemorative letter that was mailed on key event days of this