78/2427 [Germany]. Friedrich Wilhelm II, Duke of Schleswig-Holstein-Sonderburg-Beck (1687-1749). AUTOGRAPH LETTER SIGNED "Frederic Guillaume duc de Holstein", to "mr de Spaen a Zutphen", pen and ink, fold. leaf, recto only, dated "Berlin le 6 du janv. 1743". - AND 1 other similar by the same to the same, dated "la 2 d'oct. 1742".