Which ancient civilization is known for having royal officials called 'Tamkars' who served as both trade representatives and brand ambassadors, promoting goods with the royal seal across vast trade networks?

Before modern marketing, ancient civilizations had sophisticated ways of promoting products and establishing brand recognition. From royal endorsements to merchant guild representatives, the concept of using influential individuals to promote goods dates back thousands of years. This poll explores how ancient civilizations utilized early forms of brand ambassadors to build trust and expand trade networks across their empires.

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Mesopotamia (specifically Babylon)
Ancient Egypt
Indus Valley Civilization
Ancient China (Zhou Dynasty)