Which ancient civilization first implemented a sophisticated 'product branding' system with manufacturer seals and quality guarantees stamped directly on merchandise?

The ancient world saw remarkable innovations in commerce and trade that laid foundations for modern retail concepts. From the agoras of Greece to the forums of Rome and the bazaars of Mesopotamia, ancient civilizations developed sophisticated systems for product distribution, branding, and customer engagement. This trivia question explores how ancient merchants innovated in ways that would be familiar to modern product strategists and marketers.

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Ancient Rome with its 'ex officina' (from the workshop of) pottery stamps
Mesopotamia, where Babylonian merchants used cylinder seals to mark product authenticity
Ancient Egypt, with royal cartouches applied to goods from pharaonic workshops
Ancient Greece, where amphora makers stamped their distinctive logos on wine and oil containers