Yep. Imperial Crown Convertible. Back then they didn't call it a Chrysler - Imperial was its own brand. That changed in 1971 when they started calling them Chrylser Imperial.

Car was huge:
Wheelbase: 129 inches
Front Tread: 61.8 inches
Rear Tread: 61.7 inches
Length: 227.8 inches [18.9ft; 5.76 m. 11 inches longer than 2020 Mercedes S550 LWB.]
Width: 80.0 inches [6.66 ft; 2.032 m! 6 inches wider than 2020 Mercedes S550 LWB.]
Height: 55.8 inches (loaded)
Convertible Height: 56.6 inches
Turning Diameter: 47.7 feet [7.3 feet longer than 2020 MB S550 LWB. Careful making u-turns!]
Steering Wheel Turns, Lock to Lock: 3.2
Fuel Tank Capacity: 23 gallons
Cooling System Capacity: 18 quarts

Engine huge too:
440 cu. in. Overhead valve 90 degree V-8 [7.21 Liters!]
Bore and Stroke: 4.32" x 3.75"
350 Horsepower @ 4400 rpm
480 ft. lbs. Torque @ 2800 rpm
10.1 to 1 Compression ratio
Carburetor: Carter 4-barrel model AFB-4131S