Which ancient civilization developed one of the earliest known systems of commercial logos, where potters and merchants would stamp their distinctive marks on products to indicate origin and quality?

Throughout history, merchants and organizations have used distinctive symbols to represent their products and services. These early forms of branding helped establish trust, quality, and recognition long before the modern corporate era. This trivia question explores a fascinating example of early logo development that continues to influence branding practices today.

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Ancient Egypt, where royal cartouches evolved into merchant marks around 3000 BCE
Ancient Rome, with the 'sigillum' stamp system used across the empire's trade routes
Ancient Greece, where pottery makers used distinctive symbols called 'potter's marks' from the 6th century BCE
Ancient Mesopotamia, where cylinder seals were used to mark ownership of goods in markets