The scroll from which this was copied was stolen 10 years ago, together with the mummy of the High Priest Imhotep.

7 seconds sound clip from the The Mummy (1932) movie soundboard.

You can hear this line at 00:38:21.160 in the Blu-ray version of the movie.

Quote context

[...]

- A scroll. Part of which was transcribed when it was first found. Here is the transcription.

- I cannot read the writing of a period so remote.

- But you read the name of Anck-es-en-Amon on that piece of pottery.

- That was of the 18th Dynasty.

- These are Predynastic ideographs.

- The scroll from which this was copied was stolen 10 years ago, together with the mummy of the High Priest Imhotep.

- Most interesting. May I see that scroll, Sir Joseph?

- We left it at the museum.

- So.

- I have something else to show you. A photograph.

- Why do you show all this to me?

- Do you think it conceivable that the mummy was not stolen, but restored to a semblance of life by the spell from the Scroll of...

[...]