Herald bookplate found in "An Answer to the Latter Part of Lord Bolingbroke's Letters on the Study of History." Potentially the bookplate of Earl of Aylesford or Paul Louis Feiss.
RARE D16.B695 W3 1763x
“Unknown Bookplate.” Digital Gallery. BGSU University Libraries, 4 Aug. 2015, digitalgallery.bgsu.edu/collections/item/14396. Accessed 22 Sep. 2018.