Researchers in London have developed scanning techniques that show what is written on the papyrus that mummy cases are made from.This sounds like a technique that should work on mummy masks as well. They are constructed in a similar way with discarded manuscripts. This would be a much better approach than dismantling them with Palmolive soap.
These are the decorated boxes into which the wrapped body of the deceased was placed before it was put in a tomb.
They are made from scraps of papyrus which were used by ancient Egyptians for shopping lists or tax returns.
[...]
Bit by bit, a letter at a time, whatever it takes. Until we're done.
Visit PaleoJudaica daily for the latest news on ancient Judaism and the biblical world.