Barn find - floor shift - what did I find?

The Hang 10's did not come out until the 1974 model year. ;-)

For 1973 Dart info, look here;

http://www.hamtramck-historical.com/dealerships/1973DealershipDataBook-03.shtml

& here;

http://www.hamtramck-historical.com/dealerships/1973ColorAndTrim-04.shtml