Heiress last wish what happened to jewels of Marjorie Merriweather post

There is perhaps only one billionaire heiress whose greatest wish was not for her jewelry to become auction headlines after her passing. Instead, Marjorie Merriweather Post spent decades preserving some of history's greatest jewels—imperial treasures connected with Napoleon and Marie Antoinette—and made sure future generations could admire them exactly as she had. So what happened to one of America's greatest jewelry collections, and why does so much of it still remain together more than fifty years after her death?
Instead of becoming auction records, her jewels became history—preserved not for a single owner, but for everyone.