Eccentric king of Bavaria,1864-86, whose extravagant arts patronage and penchant for exquisite palaces (one of which, the Neuschwanstein, was the model for Cinderella’s castle at Disneyland), nearly drained the royal treasury before he finally succumbed to insanity. LS in Italian, signed “Ludovico,” one page, 8.25 x 10.75, January 31, 1866. A short letter of thanks to Cardinal Paracciani-Clarelli, nicely signed at the conclusion in black ink by the king In fine condition, with bisecting folds, and a few light wrinkles. RRAuction COA.