Which ancient civilization pioneered the concept of 'brand seals' - distinctive markings on products that served as early brand logos to signify quality and origin?

Before modern retail stores and e-commerce, ancient civilizations developed sophisticated commercial systems. From Mesopotamian market squares to Roman trading networks, retail innovation shaped early economies. This poll explores how ancient merchants marketed their products, built brand recognition, and developed sales techniques that some businesses still use today. Test your knowledge about the fascinating world of ancient retail practices!

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Mesopotamians, who stamped clay tablets with cylinder seals to authenticate goods and identify their workshop of origin
Egyptians, who painted hieroglyphic symbols on pottery to indicate royal approval and premium status
Greeks, who engraved amphora handles with potter's marks to distinguish their wine from competitors
Chinese, who used carved jade stamps to impress silk goods with merchant family emblems