Which ancient civilization is credited with creating the first standardized 'brand marks' on commercial products, using distinctive symbols to indicate workshop origin and quality guarantees?

Before modern logos and slogans, ancient civilizations developed sophisticated ways to brand their products and marketplaces. From distinctive pottery marks in ancient Greece to merchant seals in Mesopotamia, branding has deep historical roots. This poll explores how ancient civilizations used early forms of brand positioning to distinguish their goods in bustling marketplaces across the Mediterranean, Asia, and the Americas.

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Ancient Egypt, with cartouche symbols on pottery indicating royal workshops (2500 BCE)
Ancient Greece, with potter's marks and amphora stamps for wine and olive oil (6th century BCE)
Roman Empire, with 'ex officina' maker's marks on pottery and metalwork (1st century CE)
Indus Valley Civilization, with merchant seals for trade identification (2600 BCE)