June 30, 2012 For more than 30 years, Richard Miles and Reg Mead scoured the fields of their native Jersey with metal detectors, hoping to one day come across an ancient coin or two. Earlier this week, the detector beeped and they found the world's largest-ever stash of Celtic coins. Host Scott Simon speaks with Reg Mead about their find. Copyright © 2012 National Public Radio®. For personal, noncommercial use only. See Terms of Use. For other uses, prior permission required. SCOTT SIMON, HOST: Reg Mead and Richard Miles began to scour a field on their home island of Jersey...