Which ancient civilization first used distinctive maker's marks on products as a form of brand identity and quality assurance?

Before modern retail, ancient civilizations developed sophisticated methods for product differentiation and brand recognition. From distinctive pottery marks in Mesopotamia to specialized trade guilds in Rome, these early marketing techniques laid the groundwork for today's brand management practices. Test your knowledge about how ancient merchants built customer loyalty and distinguished their goods in marketplaces that spanned continents and cultures.

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Mesopotamian merchants (c. 3000 BCE), who stamped clay tablets with cylinder seals to authenticate goods and establish merchant reputation
Ancient Egyptians (c. 2000 BCE), who marked products with hieroglyphic symbols indicating royal approval and workshop origin
Greek artisans (c. 800 BCE), who signed pottery and sculptures with distinctive marks to distinguish their atelier's work
Roman manufacturers (c. 100 CE), who stamped products with the collegia (guild) mark to guarantee quality and regulate trade