Width: 37 cm. Material: wood and green palm leaves; housed in a silk-covered hammered metal cylinder Date of text, 18th century; container possibly Chinese-made later to house this document. This Sanskrit text is entitled â€œRahasyaâ€ or Mystery and it is ascribed to Brahma. The Mystery contains religious legends. The Mystery is written on palm leaves in Grantham characters. The palm leaves were allowed to yellow to make the written characters more visible.