At the beginning of the film, when Partner (Lugosi) ships the coffin-shaped wooden box, he is charged £4 and 6s. That would equate to about $264.00 in 2015.
Filmed November-late December 1939. Bela Lugosi completed this feature after Ninotchka (1939) and before Black Friday (1940).
Egyptian King Amenok III, said to have died 4000 years earlier, is entirely fictitious.
Professor Bitts works at Philadelphia's Keystone University.