73 340 3 speed duster roller

i am told there was only 1492 dusrter 340 with 3 speed made in 73, and out of those, this one is a v-21 option coded car, with the blacked out hood with dual tiny scoopes.

SOMEONE SAVE THIS CAR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! STILL AT 500.00