I believe it was made in 1974. There is a signature and seal. The size is about 31.7 cm x about 24.8 cm forehead size about 44 cm x about 36.5 cm thickness about 2 cm box size about 45.5 cm x about 37.7 cm thickness about 3 cm The box has a feeling of use, but there are no scratches on the work or forehead.