Which ancient civilization created the first widely recognized system of product branding, using distinctive pottery marks to indicate workshop origin and quality?

Before modern marketing teams and digital advertising, ancient civilizations developed sophisticated approaches to product development and branding. From Mesopotamian pottery marks to Egyptian quality seals, these early merchants understood the power of product differentiation. This trivia question explores how ancient civilizations established consumer trust and product recognition through early branding techniques - a fascinating glimpse into the origins of practices we still use today in retail and product marketing.

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Mesopotamia (3500-3000 BCE), with cylinder seals pressed into clay containers to authenticate products and identify merchants
Ancient Egypt (2700 BCE), with hieroglyphic markings on stone vessels and pottery indicating royal workshops and product quality
Ancient Greece (800-700 BCE), with pottery artists signing their works and city-states marking exported olive oils and wines
Han Dynasty China (200 BCE), with bronze and ceramic marks indicating imperial workshops and guaranteeing standardized quality