Latest 1974 duster vin
10/73, mine is as well:
That means the ole' girl is turning 50.
I've also put this dealership tag back on my Duster, in 1973 Reed Miller sold his dealership so it is possible that I got one of the last Dusters sold from his lot. (I picked up my car from Fruita CO. in 2012)
This tag was in one of the many coffee tins full of small parts that came with the duster.