Which ancient civilization first used a standardized symbol system on their trade goods that functioned similarly to modern product logos?

Before modern logos and brand mascots, ancient civilizations used powerful symbols to represent their kingdoms, goods, and cultural identity. These symbols served many of the same purposes as today's brand identities - creating recognition, conveying values, and establishing authority. Test your knowledge about these ancient 'logos' that helped distinguish products and places in the ancient world.

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Ancient Egyptians, who marked pottery with hieroglyphic symbols indicating workshop origin around 3100 BCE
Ancient Greeks, who stamped amphoras with city-state emblems around 700 BCE
Mesopotamians, who used cylinder seals on clay tablets to authenticate goods around 2500 BCE
Ancient Romans, who branded their goods with maker's marks around 100 CE