Which ancient civilization created what is often considered the first documented product slogan, found on a clay tablet for an ointment seller around 3000 BCE?

Before modern advertising and catchy jingles, ancient civilizations had their own ways of promoting products and services. From merchant seals in Mesopotamia to distinctive pottery marks in Greece, early forms of branding have been discovered by archaeologists across the ancient world. This trivia question explores one of the earliest documented examples of what we might recognize today as a product slogan or tagline - a phrase specifically designed to promote a commercial offering.

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Ancient Egypt - "The finest ointment for a noble skin, fit for the afterlife"
Ancient Sumer (Mesopotamia) - "The best shoe oil in Ur, won't corrode your sandals"
Ancient China - "Imperial quality balm, worthy of heaven's mandate"
Ancient Greece - "Athena's blessing in every jar, wisdom through wellness"