[GERMANY - 17th CENTURY]. LUDWIG VI, (1641-1709), Landgraf of Hessen. Letter signed to Wolfgang Dietrich, Graf of Castell, Darmstadt, 14 August 1668. 1½ pages, folio, in German, integral address leaf, part neatly excised on opening, ARMORIAL SEAL on red wax (diameter 34 mm. (1½ in.)), a very good impression, minor cracks, in a fine giltwood frame, double glazed. Ludwig sends good wishes on the birth of a son. -- ERNST VON CRAILSHAIM. Manuscript document, a grant. One page, 398 x 657 mm. (15 5/8 x 26 in.), ON FINE PARCHMENT, in German, first line of text with decoratively flourished ascenders, large decorative initial "W," text in typical German clerical cursive, IN VERY FINE CONDITION, in a large giltwood frame.SEALS: Four seals in red (2) and dark green wax (2): diameter 42 mm. (1¾ in.), in red wax, a complex shield with heraldic beasts and eagle; diameter 35 mm. (1¼ in.), in red wax, detailed tiny decoration, including arms, swords, standing figure, etc.; diameter 25 mm. (1 1/8 in.), in green wax, a horned knight's helm over shield with flourish; diameter 23 mm. (1 1/8 in.), in green wax, slight variation of previous, all in protective two-part turned wood cases, pendant on vellum tags. Together 2 items. (2)