The film was a financial success , earning 950 million yen and making it the ninth - highest grossing Japanese film of the 1979 film season .
The Mystery of Mamo was originally released in Japan on December 16 , 1978 as Lupin III .
The film was a financial success , earning 950 million yen and making it the ninth - highest grossing Japan film of the 1979 film season .
The Mystery of Mamo was originally released in Japan on December 16 , 1978 as Lupin III .