Which ancient civilization was the first to implement standardized product designs with official seals guaranteeing quality and authenticity, similar to modern trademark systems?

Long before modern marketing departments and digital storefronts, ancient civilizations developed sophisticated approaches to product design and branding. Artisans and merchants created distinctive marks, packaging, and quality standards that helped their goods stand out in bustling marketplaces from Rome to Chang'an. This poll explores how ancient civilizations approached product design challenges that modern businesses still face today.

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Mesopotamia (specifically during the Ur III period, circa 2100 BCE)
Ancient Egypt (during the New Kingdom period, circa 1550 BCE)
Classical Greece (during the Athenian Golden Age, circa 480 BCE)
Han Dynasty China (during Emperor Wu's reign, circa 140 BCE)