Which ancient civilization first used manufacturer's seals as a form of brand identity, placing distinctive marks on pottery to indicate workshop origin and quality?

Before modern advertising agencies and digital marketing, ancient civilizations developed sophisticated brand strategies to sell their products across vast trade networks. From distinctive pottery marks in Mesopotamia to standardized coin designs in Rome, these early branding techniques helped establish product recognition, quality assurance, and consumer loyalty. Test your knowledge about how ancient merchants and artisans promoted their goods in marketplaces from Alexandria to Chang'an!

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Mesopotamia (specifically Babylonian merchants around 2000 BCE)
Ancient Egypt (during the New Kingdom period)
Ancient Greece (Athenian potters in the 5th century BCE)
Indus Valley Civilization (Harappan craftsmen)