Which ancient civilization is credited with creating the first standardized 'brand marks' on commercial goods, using distinctive symbols to indicate workshop origin and product quality?

Before modern logos and marketing campaigns, ancient civilizations developed sophisticated methods to establish brand identity in their marketplaces. From distinctive pottery marks in Greece to official seals in Mesopotamia, merchants found ways to distinguish their products. This poll explores how ancient civilizations implemented early forms of brand recognition that would later evolve into our modern branding concepts.

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Ancient Egypt, with cartouche-like marks on pottery from royal workshops
Ancient Greece, with potter's marks (signatures) on ceramic vessels
Roman Empire, with 'ex officina' stamps on goods from imperial factories
Phoenicia, with merchant sigils on traded goods throughout the Mediterranean