King of Prussia (born 1797) from 1861 and first Emperor of Germany from 1871 until his death in 1888. Manuscript DS, in German, signed “Wilhelm,” one page, 8.75 x 10.75, May 27, 1878. An untranslated official document. In very good condition, with intersecting folds, light wrinkling, faint staining, and a few small tears. The signature is large and dark. RRAuction COA.