This manuscript letter 1 page, signed by Frederick William, Duke of Brunswick-Wolfenbüttel. Size 18.5 cm x 23 cm.

Frederick William, Duke of Brunswick-Wolfenbüttel (1771-1815) 

Brother to Caroline, Queen Consort of George IV, the Duke of Brunswick-Wolfenbüttel led the voluntary corps of Black Brunswickers against Napoleon. He was killed at the Battle of Quatre Bras (16 June 1815) just days before Napoleon's defeat at Waterloo.

Authenticity guaranteed. Will provide the letter of authenticity for this autograph.