Alexander Autographs A bottle of wine from Adolf Hitler’s personal wine cellar at his mountain retreat, the Berghof. It was supposed to be a straightforward news story: an auction house was finding that items believed to have belonged to Adolf Hitler and Eva Braun were in high demand, even in a recession. But a coincidence along the way led to a mystery. It all began when the auctioneer, Alexander Autographs, in Stamford, Conn., announced the sale of possessions from the respected collector John K. Lattimer. Building on connections made during his time working at the Nuremburg war tribunals, Dr. Lattimer...