Which ancient civilization produced the first documented product endorsement, where a named individual recommended a specific product around 2000 BCE?

In today's world, celebrity endorsements drive consumer behavior and brand recognition. But product endorsements have ancient roots! Test your knowledge about the earliest documented product endorsement in human history. This fascinating intersection of ancient commerce and marketing reveals how some modern business practices have surprisingly ancient origins.

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Mesopotamia, where a Sumerian scribe endorsed a copper merchant's wares on a clay tablet
Egypt, where a royal physician endorsed a particular brand of medicinal herbs on a papyrus scroll
China, where a Zhou Dynasty official endorsed a specific silk producer in an official decree
Indus Valley, where a merchant endorsed a pottery maker's vessels in a marketplace inscription