Question

The picture above shows a ______________, which was first used between 3300 and 3100 BCE in order to ensure that no unauthorized person could gain access to whatever was being sealed.

Answer 1

Sorry for this being late.

I think you need to send an image that goes with your question. Reason for this.. I don't know what picture you could be talking about.

And if you want, edit this with the picture attached so I can try to help you.

Answer 2

I'm going to say a cylinder seal