This chart has hung on a wall, it shows wear, and some staining. It's a niehoff parts guide, for cars from 1949-1958 and gives specifications (point sets, # of cyl, condensor, rotor, cap, leads, etc...) for buicks, cadillac, chevy, chrysler, continental, desoto, dodge, edse, ford, imperial, mercury, packard, plymouth, pontiac, rambler, studebaker, etc...