Which ancient civilization pioneered the use of 'merchant seals' - unique carved symbols that functioned similarly to modern logos - to authenticate products and prevent counterfeiting?

Before modern logos and brand identities, ancient civilizations had their own sophisticated systems of commercial recognition. From potter's marks in Mesopotamia to storefront symbols in Roman markets, these early 'brands' helped customers identify trusted merchants and quality goods. This poll explores how ancient civilizations used visual symbols in their marketplace activities - an early precursor to today's corporate logos and brand identities.

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Ancient Egypt
Indus Valley Civilization
Ancient Greece
Mayan Empire