The seller was Anthony Twiggs, a 67-year-old Minnesotan who had tried for years to prove that the leather aviator's helmet he inherited from his mother was really Earhart's.
Renowned US pilot Amelia Earhart's leather helmet has been sold for $825,000 at an auction in Cleveland.
The 39-year-old had worn the helmet on a flight across the Atlantic in 1928 and had later lost it in a crowd of fans.
Anthony Twiggs, a 67-year-old man from Minnesota had inherited the aviator’s helmet from his mother but had trouble proving that it was original.
Earhart wore the same helmet the following year in the Women’s National Air Derby, an all-female race from Santa Monica, California, to Cleveland.