In the website whose link you've provided, you state:
Eugene and I are on the return trip picking up his new baby. 1968 HEMI RR auto. Galen inspected this 1 of 1 radio, heater and tach delete car. QQ1 Blue. Silver w black taxi cab ,bench on the column. And oh ya. 6000 original documented miles. With complete Born with drivetrain. And original tires. Pix to follow.
You aren't aware EVERY Mopar is 1 of 1?