Which ancient civilization created the first widespread system of pottery maker's marks that functioned similarly to modern trademarks?

Before modern logos and brand identities, ancient civilizations had their own methods of product differentiation and quality assurance. Artisans, merchants, and producers used distinctive marks on their goods to indicate origin and craftsmanship. These early forms of branding helped establish reputation and consumer trust in marketplaces from Mesopotamia to Rome. Test your knowledge about these fascinating early examples of brand history!

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Ancient Romans with their 'Fortis' lamp brand
Ancient Greeks with their distinctive pottery signatures
Ancient Egyptians with their royal cartouches on goods
Ancient Chinese with their imperial seals on porcelain