Edmond Halley British Astronomer c. 1850's fine India Proof engraved portraitHalley. (Old Prints, 19th Century Prints, Proofs, Portraits, Astronomers, Scientists, Edmond Halley). Issued c. 1850's, London by the Society for the Diffusion of Useful Knowledge. Engraved by Fry. Beautiful mid 19th century stipple engraved mounted "India Proof." A beautiful rich dark impression. Bottom left of the sheet is seen the word "proof". Nice looking example, pleasing age patina, light minor scattered spotting, any minor age flaws easy to