Which ancient civilization first widely used cylinder seals as a form of product branding and authentication for marketplace goods?

Before modern logos and slogans, ancient civilizations had their own sophisticated methods of product branding and retail identity. Merchants in early marketplaces needed ways to distinguish their goods and build trust with consumers, developing techniques that would evolve into today's branding practices. This poll explores one of the earliest and most influential retail branding innovations that continues to influence modern packaging and product identification.

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Mesopotamia (Ancient Sumer)
Ancient Egypt
Indus Valley Civilization
Ancient China (Shang Dynasty)