Which ancient civilization first used standardized royal seals as a form of brand recognition on merchandise and official documents throughout its vast trading network?

Before modern logos and trademarks, ancient civilizations used powerful symbols to represent their rulers, cities, and goods in marketplaces across the Mediterranean, Asia, and Mesoamerica. These symbols functioned much like today's brand logos - instantly recognizable marks that conveyed authority, quality, and origin. Test your knowledge of these ancient 'brands' that were stamped on everything from coins to pottery to official documents.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Ancient Egypt (using cartouches of the Pharaoh)
Indus Valley Civilization (using square steatite seals with animal motifs)
Mesopotamia (using cylinder seals of city-states)
Ancient China (using imperial dragon symbols)