Which ancient civilization invented the first branded consumer products with manufacturer's marks that served as early brand recognition tools for quality assurance?

While we often think of product innovation as a modern concept, ancient civilizations were remarkably creative in developing and marketing new goods. From breakthrough technologies to novel distribution systems, these early societies established many principles that modern product development still follows today. Test your knowledge about how ancient civilizations innovated with products that changed their economies and daily life.

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Mesopotamians, who stamped clay tablets with merchant seals to guarantee product authenticity around 3000 BCE
Romans, who used 'ex officina' stamps on pottery, glass, and metalwork to indicate workshop origin around 100 CE
Ancient Chinese, who marked silk products with imperial quality seals during the Han Dynasty
Ancient Greeks, who used maker's marks on pottery as early as 700 BCE to distinguish their wares in Mediterranean trade