Which ancient civilization was the first to use royal figures as official 'brand ambassadors' for exported goods, placing their seal and likeness on products to guarantee quality?

In ancient civilizations, merchants and rulers understood the power of representation and endorsement long before modern marketing. From royal seals on products to celebrity endorsements of goods, ancient civilizations developed sophisticated methods to build trust and prestige around their products. This poll explores how ancient societies used early forms of brand ambassadorship to promote goods and services in their marketplaces.

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Ancient Egypt, with pharaohs endorsing exported oils and cosmetics
Ancient Rome, with emperors endorsing wine and olive oil exports
Ancient China, with emperors endorsing silk and porcelain
Ancient Mesopotamia, with kings endorsing exported textiles and spices