Which ancient civilization is credited with creating the first standardized product designs with consistent quality control marks that identified specific workshops or craftsmen?

While we often think of product design as a modern concept, ancient civilizations were masters at creating distinctive, functional, and symbolic items. From pottery with maker's marks to unique architectural styles, ancient societies developed sophisticated approaches to product differentiation and identity. This poll explores how ancient civilizations approached what we would now call product design, revealing how these early practices laid the foundation for modern branding and design principles.

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Ancient Egypt, with cartouche seals on pottery and goods marking royal ownership or production facilities
Ancient Rome, with 'ex officina' (from the workshop of) stamps on pottery, bricks, and other mass-produced goods
Mesopotamia, with cylinder seals used by merchants to mark ownership of trade goods
Ancient China, with imperial workshop marks on porcelain indicating production location and artisan group