Which ancient civilization pioneered the concept of 'brand seals' - distinctive markings on products that identified their maker and origin, similar to modern trademarks?

Before digital advertising and social media campaigns, ancient civilizations developed sophisticated marketing strategies to promote their goods and services. From Phoenician traders who branded their amphoras to Egyptian marketplaces with distinctive seller calls, marketing has ancient roots. This poll explores how our ancestors used strategic promotional techniques that still influence modern retail practices. Test your knowledge about these historical foundations of commerce and marketing!

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Mesopotamians, who stamped clay tablets with cylinder seals to authenticate goods and identify producers around 3000 BCE
Ancient Egyptians, who used papyrus certificates with hieroglyphic markings to certify royal products
Ancient Greeks, who introduced pottery signatures (maker's marks) during the Hellenistic period
Ancient Chinese, who developed the first silk stamps for imperial goods during the Han Dynasty