Which ancient civilization pioneered the concept of 'brand sealing' - using distinctive clay seals as a form of product authentication and merchant identification in their marketplaces?

Before modern retail analytics and e-commerce, ancient civilizations had sophisticated systems for product design and marketplace management. Their innovative approaches to commerce influenced trade routes spanning continents and shaped economic systems that would endure for centuries. Test your knowledge about how ancient merchants and artisans approached product design and retail challenges in some of history's most impressive civilizations.

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Ancient Mesopotamia (specifically the Sumerians)
Ancient Egypt under the New Kingdom pharaohs
The Indus Valley Civilization
Classical Athens during the Golden Age