Which ancient civilization pioneered the use of merchant 'seals' as an early form of product branding and quality assurance in their retail marketplace?

Before modern advertising agencies and digital billboards, ancient civilizations had their own sophisticated methods of product promotion and retail management. From distinctive pottery marks in ancient Greece to branded goods in Roman markets, early merchants understood the power of visual identity. Test your knowledge about how ancient retailers distinguished themselves in bustling marketplaces and created some of history's earliest 'brand identities' that archaeologists can still recognize thousands of years later.

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Ancient Mesopotamia (particularly Sumerians and Babylonians)
Ancient Egypt under the New Kingdom pharaohs
The Indus Valley Civilization (Harappa and Mohenjo-daro)
The Minoan civilization of ancient Crete