Which ancient civilization first developed a formal 'brand positioning' system with registered merchant seals that guaranteed product authenticity and quality?

The ancient world saw remarkable innovations in trade, commerce, and early forms of marketing. Long before modern retail technology, ancient civilizations developed sophisticated systems for product distribution, customer loyalty, and brand recognition. This poll tests your knowledge about an important ancient marketing practice that influenced commerce for millennia to come.

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Mesopotamia, where cylinder seals identified specific merchant houses and product origins as early as 3500 BCE
Ancient Egypt, where papyrus records of royal product endorsements served as the first luxury brand certifications
Ancient Greece, where amphora designs indicated specific vintners and olive oil producers through registered pottery marks
Indus Valley Civilization, where standardized weights and measures were stamped with official merchant identifiers