Clay sealings or bulla were used in ancient times to seal important documents and letters, particularly those penned by important individuals.
But the impression found in Tel Tsaf stands out from the crowd as it was created well before writing in the region.
Instead, the archaeologists believe it was used to seal marks on cargo shipments or silos and barns.
If a sealed barn door was opened, for example, the seal would break and inform the owner someone had been inside.
Professor Garfinkel said: “Even today, similar types of sealing are used to prevent tampering and theft.