In order to price something, you have to find a buyer who is willing to put up the money. Only the US government could pay billions for it, and, in fact, they a

In order to price something, you have to find a buyer who is willing to put up the money. Only the US government could pay billions for it, and, in fact, they already did -- back in the 60s. The price it could fetch now is utterly irrelevant -- it's one of a kind and has no replacement value, because it's irreplaceable. Luckily the government didn't throw it away.