Despite making a televised appeal for the return of his possessions, the items were never recovered.
Arrangements are now being made, the report said, for the return of many of the items if their rightful owners can be found.
The goal was to make way for the return of Terry Funk in 1995.
But Japan was also making its case for the return of the Soviet-held islands.
His horrified mother made a public appeal for the return of the ring, given to her by husband Alfed 18-years ago.
Her red-eyed mother, Karen, made desperate pleas to the public for the safe return of her daughter.
The Italian government has made claims for the return of the sculpture, which the museum has refuted as unfounded.
"Because the thief had to make provision for the return of Henry Marchand."
The parties sought to make it easier for the return of refugees and economic reconstruction.
"If you had to make phone calls for the same return, it might not be worth it."