Not a stamp collector and figured this would be the place to get some answers. My grandpa just recently passed and found a really cool stamp collection in a frame with a photo, all from NASA. I tried to find this specific item online and have had no luck. I found the stamps; all seem to be from around 1960s-1970s. Just curious if anyone has some information on this, and a better idea of what it may be from. Any information helps thank you!