Difference between 67 to 75 valiant fenders

1967= No marker lamp.
1968= Round marker lamp.
1969= Rectangle reflector, no lamp.
1970=Revised rectangular reflector/lamp.
1971=Same as 1970.
1972= Surface mounted larger reflector/marker lamp, steel tab welded in to support steel tray that supports the grille.
1973-1976 Same as others but NO steel tabs, same side marker lamp design as 1972.