Which ancient civilization created the first known branded consumer products with maker's marks that served as quality guarantees for long-distance trade?

Long before modern advertising, ancient civilizations had sophisticated marketing methods. From branded pottery in Mesopotamia to government-approved goods in Rome, ancient merchants used symbols, seals, and reputation to distinguish their products. This poll explores how ancient civilizations created some of the world's first 'branded' consumer goods and the marketing strategies they employed to reach customers across vast trading networks.

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Mesopotamia (c. 3000 BCE), with potter's marks on clay vessels indicating workshop origin
Ancient Egypt (c. 2000 BCE), with royal seals on goods produced exclusively for the pharaoh's court
Classical Greece (c. 500 BCE), with amphora signatures from prominent olive oil and wine producers
Roman Empire (c. 100 CE), with manufacturer stamps required by imperial quality control laws