Letter subscribed and signed ‘Eberhard Louis duc de Wurtemberg’, addressed ‘Sire’, thanking His Majesty for the hospitality at Strasbourg, wishing him the best of health over a long life, etc. In French. 2 pp. 9½ x 7 inches, occasional light spotting only, integral blank leaf, in good condition. Louisbourg [Ludwigsburg] [Baden-Württemberg, Germany] 23 December 1725. Duke Eberhard Louis [Ludwig] (1676 – 1733) was the tenth duke of Württemberg, from 1692 until 1733. He built the largest baroque castle in Germany, Ludwigsburg Palace.