Which ancient civilization first used standardized seals as a form of brand recognition for their products in international trade?

Long before modern logos and trademarks, ancient civilizations developed sophisticated methods to distinguish their products in bustling marketplaces. From distinctive pottery marks in Mesopotamia to sealed amphorae in Rome, brand recognition has ancient roots. Test your knowledge about how ancient merchants created trust and recognition for their goods across vast trade networks spanning continents.

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Indus Valley Civilization (with their square steatite seals marking trade goods)
Ancient Egypt (with pharaonic cartouches on exported goods)
Phoenicians (with purple-dyed fabric tags attached to merchandise)
Han Dynasty China (with imperial stamps on silk and ceramics)