Which ancient civilization first developed a comprehensive system of trademarked products using merchant seals as brand identities?

Long before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail experiences and brand identities in their marketplaces. From Mesopotamian merchant seals to Egyptian trade networks, Roman shopping districts to Chinese silk branding - retail innovation has deep historical roots. Test your knowledge about how ancient civilizations pioneered retail concepts that still influence commerce today!

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Mesopotamia (specifically the Sumerians), who used cylinder seals to mark ownership and authentic products around 3500 BCE
Ancient Egypt, where pharaonic cartouches served as the first product logos around 3000 BCE
Ancient Greece, where amphora makers stamped their vessels with distinctive potter's marks around 700 BCE
The Indus Valley Civilization, who used steatite seals to authenticate trade goods around 2600 BCE