Which ancient civilization was known for creating elaborate 'merchant seals' that functioned as early brand logos, often pressed into clay on product containers to guarantee authenticity?

Before modern marketing departments and digital advertising, ancient civilizations developed sophisticated methods to distinguish their products in bustling marketplaces. From Phoenician merchant marks to Roman quality stamps, these early branding techniques laid the foundation for today's brand identities. This trivia explores how ancient societies created distinctive product identities that customers could recognize and trust across vast trading networks spanning from the Mediterranean to the Far East.

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Mesopotamians (particularly in ancient Babylon and Ur)
Ancient Egyptians during the New Kingdom period
The Indus Valley Civilization at Mohenjo-daro
The Minoan civilization of Crete