This extremely rare collection of photographs comes from the descendants of Titanic survivors John and Nelle Pillsbury Snyder. Philip Weiss Auctions was handling the collection's sale planned for Oct. 21, 2011. It's estimated to go for $50,000 to $75,000. This photo shows the Snyders, taken April 18, 1912, the day they disembarked from the ship Carpathia after surviving the sinking of the Titanic. (Courtesy Philip Weiss Auctions)