A closed gold pocket watch emblazoned with the initials JJA.
It's the most expensive piece of Titanic memorabilia ever sold.
  • FTX's former head of Europe bought the most expensive Titanic relic ever auctioned.
  • The gold watch sold for $1.5 million, and belonged to John Jacob Astor IV. 
  • Gruhn bought the timepiece for $1.5 million, and plans to exhibit it in US museums, he told the WSJ.

The buyer of a gold-plated pocket watch owned by a wealthy Titanic passenger has been identified as former FTX executive Patrick Gruhn.