Which ancient civilization first used standardized logo designs on their commercial products to indicate workshop origin and quality guarantees?

Before modern marketing teams and digital advertising, ancient civilizations developed sophisticated methods of product differentiation and brand recognition. From maker's marks on pottery to royal seals on goods, the concept of product identity has ancient roots. This poll explores how ancient civilizations approached what we now call 'branding' and how they distinguished premium products in marketplaces spanning from Rome to China.

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Ancient Romans with their 'ex officina' pottery stamps that indicated workshop origin and often included quality guarantees for exported goods
Ancient Egyptians with their hieroglyphic seals that designated royal-approved products from specific merchant houses
Mesopotamians with their cylinder seals that certified products had been taxed appropriately by temple authorities
Ancient Chinese dynasties with their imperial workshop marks that indicated which royal factory produced porcelain and silk goods