Which ancient civilization first used a consistent symbol on their currency as an early form of 'brand logo' to guarantee authenticity and build trust in trade?

Before digital ads and social media, ancient civilizations had their own sophisticated methods of marketing, brand recognition, and customer engagement. Their 'logos' adorned everything from coins to monuments, while their marketing strategies influenced populations across vast empires. Test your knowledge about how ancient societies used early forms of branding and marketing techniques to spread influence, establish legitimacy, and promote their cultural values and products throughout the ancient world.

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Lydians (7th century BCE)
Egyptians (3rd millennium BCE)
Romans (1st century BCE)
Indus Valley Civilization (2600 BCE)