Bonhams are holding a space history auction on the 21st of April. I had a look though the list and they have some absolutely amazing items.
Most are in the many thousands of dollars but there are some quite reasonably priced items as well.
Real history available to some lucky individuals.
http://www.bonhams.com/auctions/22386/#/MR0_length=10&w0=list&m0=0&aa0=1Any one want to buy me Alan Bean's 18kt gold Omega? I'll pay you back, honest.