A more thorough explanation:

Levis Nota

Levis nota is a historical term that refers to a small mark or brand.

• A farmer might put a levis nota on their livestock to show ownership.
• In ancient times, slaves were sometimes marked with a levis nota to show who their owner was.

These examples illustrate how levis nota was used to mark something or someone as belonging to a particular person. It was a way of showing ownership or identifying something as being part of a specific group.