Orginal parts are usually marked with a part number (ex.C8ZZ 15668-A ) and FoMoCo (Ford Motor Company). Some of the body parts just have a number stamped on them, like the shock tower support braces.
67 Coupe V8 (been in the family since 72, currently under restoration)
67 Coupe V8 (been in the family since 72, currently under restoration)