- Laurie Rimon discovered the 2,000-year-old coin while hiking in eastern Galilee recently
- "This coin is rare on a global level," an Israel Antiquities Authority coin expert says
- The coin would have been too valuable for everyday use, so its presence is a mystery
Jerusalem (CNN)The shiny object was just sitting there in the grass, waiting to be found. It was a 2,000-year-old gold coin with the face of a Roman emperor, so rare that only one other such coin is known to exist.