Which ancient civilization invented the first known branded products with manufacturer seals that guaranteed quality and authenticity?

Before modern retail stores and e-commerce, ancient civilizations developed sophisticated commercial systems and product innovations that shaped early economies. From the busy agoras of Greece to the grand bazaars of Mesopotamia, these early marketplaces featured remarkable retail innovations and product designs that continue to influence commerce today. Test your knowledge about these fascinating ancient retail developments!

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Mesopotamia (with cylinder seals stamped on clay tablets for merchant accountability)
Ancient Egypt (with pharaonic cartouches on luxury goods)
Ancient Greece (with potter signatures on decorated ceramics)
Indus Valley (with merchant marks on standardized weights and measures)