Which ancient civilization first used standardized pottery marks as an early form of product branding to indicate quality and origin?

Before modern marketing departments and digital advertising, ancient civilizations had their own sophisticated methods of product promotion and brand recognition. From Roman merchant marks to Egyptian trade symbols, the foundations of modern branding have deep historical roots. This trivia question explores how ancient civilizations advertised and differentiated their products in marketplaces that spanned continents.

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Ancient Greece (circa 700-600 BCE)
Ancient Egypt (circa 1500 BCE)
Mesopotamia (circa 3000 BCE)
Ancient China (circa 1100 BCE)