FREDERICH II, King of Prussia (1712-1786). Manuscript signed ("Frch"), in German. Berlin, 19 September 1774. 1 page, folio, integral blank leaf, official stamps at head, a crowned eagle and "Vier G. Groschen" at left, elaborate crowned monogram "FR" at right, hole in center blank area, presumably from seal, creased, some light stains. Written in an attractive secretarial hand, a letter of safe conduct for Major von Bulow, describing a straw-colored English dinner service he is to transport to Helmsdorff.