Which ancient civilization created the world's first known branded product packaging, using distinctive clay seals to mark their goods as authentic?

Before billboards and Super Bowl commercials, ancient civilizations had their own innovative marketing techniques. From town criers in Mesopotamia to painted advertisements on walls in Pompeii, the ancients understood the power of promotion. This poll explores how ancient civilizations used early forms of advertising to promote products, services, and even political campaigns thousands of years before modern marketing emerged.

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Mesopotamian merchants (c. 3000 BCE), who used cylinder seals with unique markings to guarantee the quality of their traded goods
Egyptian artisans (c. 1500 BCE), who marked royal-commissioned pottery with pharaonic emblems to indicate official production
Chinese Han Dynasty traders (c. 200 BCE), who used stamped clay tokens to certify silk and spice authenticity
Roman manufacturers (c. 100 CE), who stamped pottery and glassware with maker's marks to protect against imitation products