Which ancient civilization first used standardized 'potter's marks' as a form of product branding to indicate workshop origin and quality standards for exported pottery?

Before modern corporate logos and trademarks, ancient civilizations had their own methods of brand identification. Merchants and artisans used distinctive symbols to mark their goods, establish authenticity, and build reputation. These early 'brand marks' played crucial roles in ancient commerce, particularly in widespread trading networks across the Mediterranean, Asia, and beyond. Test your knowledge about these fascinating early forms of product identification and ancient retail practices!

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Ancient Greece (specifically Athens)
Ancient Egypt during the New Kingdom
Mesopotamian Sumerians
Indus Valley Civilization