Signature of William Henry Black (1808-1872), from 1846. Found in Dicey, Thomas. (1751) An historical account of Guernsey. Scanned by the Sion College Library Provenance Project. Cropped and vectorized by User:tenpop421
https://sionprovenance.wordpress.com/2017/07/06/inscription-of-william-henry-black/
William Henry Black