Which ancient civilization pioneered the use of 'silent salesmen' - glass display cases that allowed customers to see but not touch valuable merchandise?

Before modern retail displays, ancient civilizations developed sophisticated visual merchandising techniques to attract customers in their bustling marketplaces. From the carefully arranged stalls of the Roman Forum to the elaborate shop displays in Ancient China, visual presentation has always been crucial to commerce. This poll tests your knowledge about how ancient merchants presented their wares and created appealing shopping environments thousands of years ago.

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Ancient Rome, where jewelers in the Forum used clear glass vitrines to protect gold jewelry while showcasing it to wealthy patrons
Ancient Egypt, where transparent alabaster cases were used in royal markets to display precious artifacts and imported luxuries
Mesopotamia, where Babylonian merchants created sealed crystal containers for displaying rare spices and perfumes
Ancient Greece, where the Agora featured lockable display stands with mica windows to showcase imported silks and jewelry