Which ancient civilization pioneered the concept of 'brand seals' on products as a quality assurance mechanism for customers?

The ancient world wasn't just about monuments and warfare—it featured sophisticated retail systems and product development strategies that laid the groundwork for modern commerce. From specialized artisan quarters in Mesopotamian cities to the complex trade networks of the Roman Empire, ancient civilizations pioneered retail concepts we still use today. Test your knowledge about how these early societies approached product development, customer engagement, and retail strategies that shaped commerce for millennia to come.

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Mesopotamia (with cylinder seals marking ownership and authenticity of goods)
Ancient Egypt (with cartouches indicating royal approval of products)
Classical Greece (with potter signatures as the first artisan branding)
Indus Valley (with merchant guild stamps guaranteeing standard weights and measures)