Titanic auction interest rises as 100th mark nears

** FILE ** In this 1912 file photo and provided by the Frank O. Braynard Collection, the Titanic leaves on her maiden voyage from Southampton, England. The tragic sinking of the Titanic nearly a century ago can be blamed on low grade rivets that the ship's builders used on some parts of the ill-fated liner, two experts on metals conclude in a new book. (AP Photo/Frank O. Braynard Collection, FILE)

February 27, 2012 7:15:03 AM PST
The April 1 auction of more than 5,000 Titanic artifacts a century after the luxury liner's sinking has stirred hundreds of interested calls, with some offering to add to the dazzling trove already plucked from the ocean floor.