70 Duster Exterior Question

I am no expert on the early 340 Dusters so I looked it up at the Hamtramck Historicals web site.
70 340 Duster....
http://www.hamtramck-historical.com...ershipDataBook/1970/70_Valiant_Duster0002.jpg

http://www.hamtramck-historical.com...ershipDataBook/1970/70_Valiant_Duster0016.jpg

71 340 Duster....
http://www.hamtramck-historical.com...alershipDataBook/1971/71_Valiant_Duster_3.jpg