Which ancient civilization invented the first known retail 'brand mark' or logo, stamping distinctive symbols on pottery to indicate workshop origin?

Before modern shopping malls and online marketplaces, ancient civilizations had their own sophisticated retail systems. From the grand bazaars of Mesopotamia to the agoras of Greece, retail has ancient roots. This trivia question explores how ancient civilizations branded their merchandise and built customer loyalty thousands of years before modern marketing techniques emerged.

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Ancient Greece, where potters in Athens used distinctive symbols to differentiate their wares in the agora marketplaces
Ancient Egypt, where royal craftsmen marked products with hieroglyphic seals to indicate they were approved for pharaonic use
Ancient Rome, where merchants used the SPQR mark to show official endorsement of their retail goods
Ancient China, where Han Dynasty artisans stamped silk products with family emblems to build customer loyalty