Which ancient civilization is credited with inventing the first retail 'brand marks' - distinctive symbols stamped on products to guarantee quality and origin?

Before modern advertising and digital marketing, ancient civilizations developed sophisticated retail techniques to promote their products. From Phoenician traders establishing the first brand identities to Roman shopkeepers creating elaborate storefronts to attract customers, marketing has deep historical roots. Test your knowledge about how ancient merchants promoted their wares and established product identities in the classical world!

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Phoenicians, who marked their exported pottery and textiles with consistent symbols representing their city-states
Egyptians, who used hieroglyphic seals on products to indicate royal approval and authenticity
Greeks, who developed the first merchant guild marks to differentiate Athenian goods from competitors
Mesopotamians, who used cylinder seals as the first standardized product identification system