Which ancient civilization created what is widely considered to be the world's oldest continuously used commercial logo, still in use today?

While we often think of branding as a modern concept, ancient civilizations had their own versions of commercial identities! Merchants, artisans, and traders from ancient times used distinctive symbols to mark their goods and establish reputation. These early 'logos' helped customers identify authentic products and served as marks of quality and origin - much like today's brand marks. Test your knowledge about the fascinating intersection of ancient commerce and early branding!

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Ancient Egypt (Stella Artois brewery mark, circa 1366 BCE)
Japan (Hōshi Ryokan inn symbol, established 718 CE)
Ancient Rome (Fortis lamp maker mark, circa 100 CE)
Ancient Greece (Amphora potter's seal, circa 500 BCE)