Which ancient civilization is credited with creating the earliest known system of standardized merchant marks, similar to modern corporate logos, to identify pottery workshops and trading houses?

Before the era of digital marketing, ancient civilizations had their own version of corporate branding. Merchants, guilds, and royal manufacturers used distinctive symbols to mark their products and build customer recognition. This trivia question explores how ancient civilizations approached what we would now consider corporate logo design and brand identity in their commercial endeavors.

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Ancient Egypt: Using cartouche-style seals for royal workshops that produced goods for pharaohs and temples
Mesopotamia: Using cylinder seals with distinctive symbols for merchant houses in Uruk and Babylon
Ancient Greece: Using potter's marks (signatures) on ceramic wares to indicate studio origin
Roman Empire: Using stamped maker's marks (ex officina) on goods to indicate licensed imperial suppliers