Which ancient civilization invented the first known branded products with manufacturer seals as a form of quality guarantee and product differentiation?

Before modern retail existed, ancient civilizations developed sophisticated commercial systems and product innovations that shaped early economies. From the bustling markets of Mesopotamia to the trade routes of Rome, product development and retail strategies have ancient roots. Test your knowledge about how our ancestors approached product innovation and the marketplace!

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Ancient Egyptians, who stamped pottery with pharaonic symbols to indicate royal workshop origin
Mesopotamians, who used cylinder seals on clay containers to authenticate goods and identify their producers
Ancient Greeks, who marked amphorae with potter signatures to distinguish premium olive oils and wines
Romans, who developed the first branded consumer goods with maker's marks on terra sigillata pottery