OP says he saw the mummies and papyri in Wood's Museum before they were destroyed.
Orson Pratt, ed. Biographical Sketches of Joseph Smith, the Prophet, and his Progenitors for Many Generations. By Lucky Smith, Mother of the Prophet (Plano: The Reorganized Church of Jesus Christ of Latter Day Saints, 1880), 91
For a time she [Lucy Mack Smith] derived a little income from the exhibition of some mummies and the papyrus records found with them, which had been left in her care by the Church for this purpose. But after a time she parted with the mummies and records; how, the writer is not informed, though he afterwards saw two of the mummies and a part of the records in Wood's Museum in Chicago, where they were destroyed in 1871.