Which ancient civilization pioneered the concept of 'brand seals' on products as a form of quality assurance and merchant identification?

The ancient world was home to sophisticated retail systems and product innovations that shaped commerce for millennia. From the elaborate marketplaces of Mesopotamia to Rome's shopping districts, ancient civilizations developed remarkable retail strategies and customer experiences that might surprise modern business professionals. Test your knowledge about how our ancestors approached product design, retail experiences, and brand development thousands of years ago.

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Mesopotamia (with cylinder seals used by merchants to mark ownership and authenticity on clay vessels)
Ancient Egypt (with cartouches used by royal artisans to mark premium goods)
Ancient Greece (with amphora makers' marks indicating wine quality and origin)
Indus Valley (with steatite seals used exclusively for administrative record-keeping)