Which ancient civilization is credited with creating the first standardized 'brand marks' on retail goods, using distinctive symbols to indicate workshop origin and guarantee quality?

Before modern logos and marketing campaigns, ancient civilizations had their own sophisticated systems for brand recognition and marketplace identity. Merchants in these early societies developed innovative ways to distinguish their products, build customer loyalty, and communicate quality. This poll explores how ancient civilizations approached what we now call 'brand identity' in their bustling marketplaces and trading networks.

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Ancient Rome, with the 'ex officina' (from the workshop of) stamps on pottery, glassware, and metalwork
Ancient Egypt, with hieroglyphic seals indicating royal workshop production on luxury goods
Ancient China, with imperial chops (seals) marking porcelain and silk products
Ancient Greece, with potter signatures and distinctive amphora designs for exported olive oil and wine