HISTORY - PRUSSIA Henry of (1726–1802) - Autograph letter signed

Autograph letter signed "Henri", dated Rheinsberg, "ce vendredi 23 Janv. 1801" by the Prince of Prussia, younger brother of Frederick the Great. Henry addresses Captain D'Aubier, thanking for the letter he received on his birthday, and adds: "...J'espère que le voyage de Monsieur votre père aura les suites les plus favorables pour votre fortuné avenir...". ½ p. In-4.