LOUIS-PHILIPPE (1773-1850). L.A.S. (initials, minute with erasures and corrections), Neuilly July 30, 1844, to Frederick William IV of Prussia; 2pages in-4. Reaction to the regicide attack of July 26 [an unbalanced man, Heinrich Ludwig Tschech, had shot the royal crew at point-blank range]. He learns of "the odious attack" and hastens "to testify to Your Majesty all the horror I felt on receiving the news of this execrable attempt. I unite my heart and soul with Your Royal Family & with those peoples who enjoy so much rest & prosperity under Your paternal Scepter, to thank God for having removed the murderous lead from your heads"... He recalls that "the letters so affectionate & so good to me from the late King Your August Father & Your Majesty have come to bring me true consolation in such cruel trials & I still love him renewing the expression of all the sensibility has penetrated me"...His entire family joins him. Enclosed: a drawing of his son Ferdinand, Duc d'Orléans, 1818 (age 8); a visiting card from the Duc de Penthièvre; two facsimiles of letters from the Comte de Chambord (1849, 1851).