File:Walker.png

Summary
This image is clipped from the book Paul Morphy, the chess champion By Frederick Milnes Edge (1859), see picture after page 22, which is "full view" available on google books (https://books.google.com/books?id=Ke4UAAAAYAAJ&printsec=frontcover&dq=edge+paul+morphy&lr=&as_drrb_is=q&as_minm_is=0&as_miny_is=1870&as_maxm_is=0&as_maxy_is=1880&as_brr=3&cd=3#v=onepage&q&f=false).