Which ancient civilization pioneered the concept of 'brand sealing' - stamping products with distinctive merchant marks to guarantee authenticity and quality?

The marketplaces of ancient civilizations were vibrant centers of commerce and innovation, featuring product development and retail strategies that still influence modern business practices. While we often focus on monuments and warfare, the commercial aspects of ancient societies reveal sophisticated understanding of consumer behavior, branding, and market positioning. Test your knowledge about these fascinating early retail innovations that shaped the foundations of modern commerce!

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Ancient Romans with their 'sigillum' pottery marks
Mesopotamians with cylinder seal impressions on trade goods
Ancient Egyptians with cartouche-marked luxury items
Ancient Chinese with imperial chops on porcelain