Legendary Crimean War Nurse and pioneer of modern nursing, FLORENCE NIGHTINGALE entirely handwritten envelope address panel and boldly signed "Florence Nightingale" in the lower left, enclosed in PSA/DNA's proprietary sonically-sealed slab. Nightingale addresses the envelope to [Capt.] William Smith Nicholson – a magistrate, yachtsman and Director of the Union Castle Steamship Company.
 
Dated 1.8.88 (January 8, 1888) Nightingale indicates the delivery as "To Enquire":
 
"To Enquire
W.S. Nicholson, Esq.
5 Manson Place
Queen's Gate
Florence Nightingale  1/8/88"
 
CERTIFIED AUTHENTIC + FULLY ENCAPSULATED BY PSA/DNA Authentication Services EXPERT EXAMINATION. GUARANTEED GENUINE - simply one of the finest NIGHTINGALE autographs available on the market.
 
(Marianne Nicholson was Florence's first cousin; it is unknown if W.S. Nicholson is somehow related).
 
Envelope measures 3.5" x 4.5", and is enclosed in a 10" x 6.5" slab. Previous signs of mounting to back of envelope, and overall general wear consistent with age, use and handling. Signature is bold and crisp, even after 135 years.
 
A handsome and impressive addition to the den or office of the Doctor, Nurse, history buff, medical or autograph collector. An exceptional investment opportunity, and a truly rare and remarkable find.
 
Sold as is, as shown.