sci-fi story idea:

time cops are working the time-beat around Tutanhamun's tomb, to keep people from stealing shit from it, either from bumbling Egyptologist time travelers revealing it's position to people in the past, or from actual future-thieves trying to make off with the one undistubed phaonic tomb.

at some point, someone asks about all the other tombs

and it's revealed that time travelers looted them almost as soon as they were sealed, because there was never any recorded date in history they were looted, so they just got their first and did it because the time cops didn't know when in history to watch.