By A Mystery Man Writer
Francis Drake's circumnavigation - Wikipedia
History Daily
Francis Drake's circumnavigation - Wikipedia
Sir Francis Drake's Plate was faked by Conan Doyle – helps
Delta Rat Scrapbook – by Bill Wells
7-88 真鍮（しんちゅう）のドレークプレート（Drake's Plate of Brass
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File:The Hammering Plate used to Planish Sir Francis Drakes, Plate
The Drake Plate: Sir Francis Drake Claims California for Queen