How Rare? Asking for additional information

1973 Duster 340,

Standard Equipment........3-Speed Manual {Floor Shifter}
8 1/4" Rear-End..............3.21 Gears {Open Rear}

The 1973 Duster 340, with 'Mist Green' and a 3-Speed Manual, and 3.21 'Open-Rear' is
regarded as a 'Dealer Stocking Car'.

Basically shipped to the Dealer from the Regional Zone Office as a 'typical' 'stocking car
for the 'dealer lot'.