In 1933, a small brass plate was discovered near San Francisco - not far from where famed English privateer Francis Drake had supposedly landed back in 1579. It fit the description of a plate reportedly left by Drake - making it potentially one of the great relics of North American Exploration. SourcesWikipedia: https://en.wikipedia.org/wiki/Drake%27s_Plate_of_BrassScience Beat: Drake's Plate -- the end of the mystery? https://www2.lbl.gov/Science-Articles/Archive/NSD-Drakes-plate.html"Image: https://commons.wikimedia.org/wiki/File:1583_portrait_of_Sir_Francis_Drake.jpgThe Explorers Podcast is part of the Airwave Media Network: www.airwavemedia.comInterested in advertising on the Explorers Podcast? Email us at advertising@airwavemedia.com Learn more about your ad choices. Visit megaphone.fm/adchoices