Which ancient civilization first used cylinder seals as a form of 'brand identity' to mark ownership of goods and authenticate trade transactions?

Before modern logos and trademarks, ancient civilizations developed sophisticated systems to mark ownership, authenticate goods, and establish identity. From cylinder seals in Mesopotamia to cartouches in Egypt, these ancient 'brand identities' served crucial economic and cultural functions. Test your knowledge about how ancient peoples marked their products and established commercial identities in the earliest marketplaces of human civilization.

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Mesopotamia (Ancient Sumerians)
Ancient Egypt
Indus Valley Civilization
Ancient China (Shang Dynasty)