Which ancient civilization invented one of the earliest known forms of 'retail promotion' by stamping clay tablets with distinctive seals to guarantee product authenticity?

Before modern shopping malls and e-commerce, ancient civilizations pioneered sophisticated retail practices and promotional techniques. From Mesopotamian market stalls to Roman advertising, the foundations of modern commerce were established thousands of years ago. Test your knowledge about how our ancestors marketed, promoted, and sold their goods in ways that would influence retail practices for millennia to come.

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Mesopotamians (c. 3500 BCE), who used cylinder seals as the world's first 'brand logos' to authenticate goods and prevent counterfeiting
Ancient Egyptians (c. 3000 BCE), who created papyrus 'product catalogs' for their temple marketplaces
Phoenicians (c. 1500 BCE), who developed colored fabric tags with merchant symbols to distinguish their traded goods
Ancient Chinese (c. 2000 BCE), who pioneered promotional copper coins with merchant insignias as early loyalty tokens