Samples of the mummy’s linen covering and the two pieces of fabric used to wrap the scroll were sent for radiocarbon testing to determine the dating. The results showed that the scroll’s inner wrapping dates from around 1100BC, while the other fabrics are both much younger, around 400BC. Regina Hölzl, the director of the museum’s Egyptian and Near Eastern collection, believes it very likely that the scroll was deliberately inserted into the ibis cone in Ptolemaic times to raise the votive value of the mummy. The discovery suggests that other ibis mummies could also hold papyri.
Conservators had to devise a special method to flatten the text. Because of its brittle condition, it was first treated in a humid chamber to restore the flexibility of the fibres. The papyrus was then treated with cellulose and smoothed with the aid of a suction table and weights. The text was in hieratic cursive writing used for everyday documents. Robert Demarée of the University of Leiden, who deciphered it, was able to confirm that the scroll was written by the scribe Thutmose who records his name in the document. His handwriting is also known from examples in a number of museums including the British Museum, the Ashmolean Museum in Oxford and the Egyptian Museum in Turin. The text is the equivalent of a notebook or cashbook in which Thutmose recorded his business transactions. He listed supplies that he used, such as copper, turquoise and lapis lazuli, and objects he bought, including amulets and jewellery. Thutmose also recorded that some clothing was stolen from his house and he named the suspected thieves: Amenhotep son of Qenna, Nesamenope son of Hay, and Pentawemet.