Green one is a 73-76 Dart fender, one piece fender with the plastic marker light.
Black one is either a '67, or a 68-69 or 73-76 that's had the marker light shaved. '67 Dart was a one piece fender with no marker light, 68-69 and 73-76 would have been one piece fenders with different marker lights depending on the year. Check the inside front of the fender to see if there's any evidence of a marker light opening being filled.
'70-72 use a front fender extension and had a lower valance, so the bumper relief was smaller and in the fender extension.