LOUIS PASTEUR A.L.S. "L. Pasteur" 1p. 8vo., Paris, Mar 30, [n.y.], in French to an admiral requesting a donation for the "Electricity Exposition...". Beautifully framed with rust matting and marbled accents, along with a portrait and biographical plaque, all set into a fine wood frame. Very good to fine condition, not examined out of frame.