Which ancient civilization first developed standardized product branding using distinctive pottery marks that functioned similarly to modern trademarks?

Before modern retail giants dominated commerce, ancient civilizations had their own impressive commercial systems. From the bustling agoras of Greece to the complex trade networks of Mesopotamia, these early marketplaces laid the foundation for today's global commerce. This trivia question explores how one ancient civilization revolutionized commercial branding in ways that still influence retail marketing today.

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Ancient Egyptians, who used hieroglyphic seals to mark products from royal workshops
Ancient Greeks, who stamped amphoras with maker's marks to indicate the origin and quality of olive oil and wine
Ancient Romans, who branded luxury goods with the names of patrician families who produced them
Ancient Phoenicians, who used color-coded markings to identify products from different trading ports