Carburetor questions

So I have a '68 300 with a 650 Holley Double Pumper which was rebuilt than sat for several years before I bought the vehicle. Not familiar with these carbs and I have a hell of a time getting it fine tuned. Question #1; Don't see a mechanical choke on it, is it missing? (see photos) #2 Is this carb original to the car? (see broadcast sheet). Just trying to clarify what I'm working with and what's (potentially) missing on the carb. View attachment 398163 View attachment 398165 ...

Carburetor questions
Author: Bjorn1230