Prussia William I Handwritten reply with signature "Dein alter Ohm Wilhelm" to a handwritten letter signed by his niece Marie Elisabeth von Sachsen-Meiningen dated 31 March 1874. Berlin, 1 April, 1874. 3 pp. on a double sheet of laid paper with watermark and crowned monogram "EMS" on the letterhead. Single sheet measures approx. 20 x 13 cm. Princess Marie Elisabeth (1853-1923) asks for the "kind permission ... to invite some of his friends and (her) two little brothers to Bernhard's birthday. These are his former tutor, Hofrath Rossmann, and Captain von Schleinitz, his former military companion ..." - Wilhelm I expresses his "complete agreement with everything". - Traces of several folds, on verso with rusty impression of a paper clip, generally well-preserved. - With: Frederick William IV's handwritten letter with signature to his niece Marie of Saxe-Meiningen. 31 March, 1874. 2 pp. on 1 double leaf with blind embossed crowned eagle. - "... my mother wishes to see your two brothers tomorrow at noon ... to see them tomorrow at noon." - A few small marginal tears and brown stains, fold marks, rusty impressions from paper clip, overall good condition. Autograph reply signed to an autograph letter signed by his niece Marie Elisabeth von Sachsen-Meiningen dated 31 March 1874. - Princess Marie Elisabeth (1853-1923) asks for the "kind permission ... to invite some of his friends and (her) two little brothers to Bernhard's birthday. These are his former tutor, Hofrath Rossmann, and Captain von Schleinitz, his former military companion ..." (trans.). - Wilhelm I expresses his "complete agreement with everything". - Traces of several folds, rusty impression of a paper clip on verso, overall well preserved. - In add.: Letter signe by Friedrich Wihelms IV. to his niece Marie of Saxe-Meiningen. - "... my mother wishes to see your two brothers tomorrow at noon ... to see them tomorrow at noon." - A few small marginal tears and brown stains, fold marks, rusty impressions from paper clip, overall good condition.