Why do think they weren't able to get it that thin? What "technology" are you referring to? Here's Wikipedia's summary: "5,000 years ago, Egyptian artisans r

Why do think they weren't able to get it that thin? What "technology" are you referring to? Here's Wikipedia's summary: "5,000 years ago, Egyptian artisans recognized the extraordinary durability and malleability of gold and became the first goldbeaters and gilders. They pounded gold using a round stone to create the thinnest leaf possible. Except for the introduction of a cast-iron hammer and a few other innovations, the tools and techniques have remained virtually unchanged for thousands of years." https://en.wikipedia.org/wiki/Gold_leaf https://en.wikipedia.org/wiki/Gold_leaf