Handwritten letter in German signed by Karl Donitz. Comes with Certificate of Authenticity.The item "Karl Donitz Handwritten Letter Signed in 1970 with COA" is in sale since Sunday, November 1, 2020. This item is in the category "Collectibles\Autographs\Military". The seller is "plattautographs" and is located in Rehoboth Beach, Delaware. This item can be shipped worldwide.