Which ancient civilization is credited with inventing the first standardized 'brand marks' on commercial products that functioned similarly to modern brand slogans?

Before modern advertising agencies and digital marketing, ancient civilizations had their own sophisticated methods of brand recognition and product promotion. From merchant seals in Mesopotamia to distinctive pottery marks in Ancient Greece, these early branding techniques laid the foundation for today's marketing practices. Test your knowledge about how ancient civilizations promoted their goods and established their commercial identities through early forms of 'brand slogans' and distinctive marketing techniques.

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Ancient Egypt, with their cartouche symbols on royal products and exported goods (2500 BCE)
Mesopotamian merchants, with their distinctive cylinder seals for authenticating trade goods (3000 BCE)
Ancient Rome, with their 'ex officina' pottery stamps indicating workshop origin (100 CE)
Ancient China, with their imperial maker's marks on porcelain and silk (500 BCE)