Which ancient civilization pioneered the first known form of 'product reviews' through official quality control stamps on merchandise?

Before modern shopping malls and e-commerce, ancient civilizations created sophisticated retail environments that shaped consumer behavior for millennia to come. The agoras, forums, and bazaars of antiquity established retail patterns we still follow today. This poll explores how ancient civilizations approached what we now call 'omnichannel retail' - creating integrated shopping experiences across multiple venues and formats in their societies.

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Roman Empire, with 'ex officina' pottery stamps indicating authorized workshops
Mesopotamia, with clay tablet 'certificates' guaranteeing weight and quality of goods
Ancient Egypt, with hieroglyphic 'seals of approval' from temple authorities
Ancient Greece, with 'dokimasia' markings certifying silver content in coins