Which ancient civilization first widely used 'maker's marks' - distinctive symbols stamped on pottery and goods as an early form of branding and quality guarantee?

Before modern logos and marketing, ancient civilizations had their own methods of product identification and brand recognition. Merchants in these early marketplaces developed sophisticated systems to distinguish their goods from competitors and build customer loyalty. This trivia explores how ancient civilizations approached what we now call 'branding' - from maker's marks to specialized packaging that transcended language barriers in international trade.

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Ancient Egyptians (c. 3100-30 BCE)
Mesopotamians (c. 3500-500 BCE)
Ancient Greeks (c. 800-146 BCE)
Indus Valley Civilization (c. 3300-1300 BCE)