In ancient Rome, what shopping innovation allowed wealthy citizens to make purchases without carrying coins?

Test your knowledge about ancient retail practices and shopping habits! While we often think of commerce as a modern concept, ancient civilizations had sophisticated marketplaces and trading systems. From the bustling agoras of Greece to the complex markets of Mesopotamia, retail and shopping experiences have deep historical roots. This trivia question explores how ancient consumers interacted with merchants and made their purchasing decisions thousands of years ago.

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Tessera - clay tablets that functioned as credit notes
Denarius cards - metal plates engraved with the owner's identity
Mercator scrolls - papyrus documents listing pre-approved merchants
Servus emptor - designated shopping slaves who managed household accounts