Original, 40th Anniversary Checker Upholstery Guide for Superba and Marathon models.  Contains vinyl and nylon upholstery swatches. Also has illustrations of bench seat options.  Back cover has a cut-out of a bench seat that you can fold over the swatches for a representation of what the seat will look like.  There is a dealer stamp on the front and back cover.  Really a neat piece.  Not sure of year, 1962 or 1963?