Royal member of the Hohenzollern dynasty who was the king of Prussia from 1701 until his death (1657-1713). LS in German, one page both sides, 8 x 12.5, July 20, 1701. Untranslated letter signed at the conclusion by Frederick I as King of Prussia, with a one-line subscription in his hand. The red wax seal, impressed with a regal coat of arms, remains intact on the address leaf. In fine condition.
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