Which ancient civilization first used a standardized royal seal across their empire as a form of 'brand identity' to authenticate documents and mark royal property?

Before modern logos and brand identities, ancient civilizations created powerful symbols that represented their culture, values, and power. These early 'brands' shaped how societies were perceived and remembered throughout history. This trivia explores how ancient civilizations developed sophisticated visual identities that continue to influence modern design principles. Test your knowledge about the fascinating intersection of ancient symbolism and what we might now consider early forms of brand identity and logo design.

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Ancient Egypt (Pharaonic seals with cartouches)
Mesopotamian Sumerians (Cylinder seals with cuneiform)
Persian Empire (Royal seal of Darius I)
Ancient Rome (SPQR emblem)