Beilby Porteus; Bishop of London; Charles Turner; 1774-1857; British; after John Hoppner; 1758-1810; British; 1807; Mezzotint on modertely thick; moderately textured; cream; laid paper; Sheet: 19 9/16 x 13 3/4 inches (49.7 x 34.9 cm) and Image: 17 1/8 x 13 3/4 inches (43.5 x 34.9 cm); books; bookshelf; ink; man; mortarboard; portrait; quill; religious and mythological subject; tippet; wig