Which ancient civilization created the first known branded products with maker's marks to guarantee quality and origin?

The ancient world wasn't just about monuments and wars - it was also home to sophisticated commercial systems and product innovations. Many modern marketing and retail concepts have their origins in ancient civilizations, where merchants developed unique ways to distinguish their goods, build customer loyalty, and communicate value. Test your knowledge about some of the earliest product innovations that shaped ancient commerce!

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Mesopotamians, who stamped clay tablets with unique seals to authenticate goods around 3500 BCE
Ancient Egyptians, who marked papyrus scrolls with pharaoh's cartouches to indicate royal-approved products
Ancient Greeks, who inscribed amphora handles with the potter's name and city-state of origin
Chinese Han Dynasty merchants, who used silk stamps on luxury goods traded on the early Silk Road