1973 Duster, I NEED HELP!!!!

I have a 74 kit, so they were made, but yes they are difficult to find.

There are also promos, but are kinda pricey.

I've seen them anywhere from $35 to over $100.

http://www.ebay.co.uk/itm/MPC-73-Pl...-Green-original-1973-Promo-LOOK-/251162732809

http://www.ebay.com/itm/1973-Plymon...932568424?pt=Model_Kit_US&hash=item4610fa9568

http://www.ebay.com/itm/161061568490?_trksid=p2048036

http://ralphsrapidtransit.com/dusterdartpromo.html