US Naval officer, member of the board appointed to draw up curriculum and regulations for naval academy. During the Civil War he commanded the fleet that invaded Port Royal or Hilton Head, South Carolina in 1861. Earned the rank of rear admiral in 1862. Signature, "S.F. Du Pont , Rear Admiral" on small blue 5" X 2" sheet, cut from a larger sheet. n.p., n.d. His rank is written in another hand. In April 1863, Du Pont attempted to invade Charleston, South Carolina, where he was defeated. Du Pont was relieved from active duty in July of 1863. Suitable for framing. Excellent. (#MIL)