Which ancient civilization first used official 'maker's marks' on pottery as a form of product branding to signify quality and origin?

Before modern logos and marketing campaigns, ancient civilizations created powerful brand identities through symbols and storytelling. These symbols represented not just gods and leaders, but also products, artisans, and trade guilds. The stories behind these ancient 'brands' helped establish trust, communicate quality, and build loyalty across vast trading networks - practices that form the foundation of modern brand storytelling techniques we still use today.

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Ancient Egypt (using cartouche symbols)
Ancient Greece (using potter signatures and workshop stamps)
Mesopotamia (using cylinder seals)
Ancient China (using imperial workshop marks)