Beatles' passenger cards, Harold Holt's briefcase among National Archives' treasures on move Posted by Dee McArthur on March 27, 2017 at 12:30am Beatles' passenger cards, Harold Holt's briefcase among National Archives' treasures on move By Tom Lowrey Updated yesterday at 12:21pm PHOTO: The briefcase Harold Holt had with him on the day that he went missing at Portsea. (Supplied: National Archive Read more…