This is the Argus A3. I like it because it has more of an art deco aesthetic that its siblings, such as the Argus A, though it shares the same leaf shutter. It also has a pop-out lens barrel and extinction meter, though the one on my camera as long since been extinct.

Make Argus
Model A3
Year 1940 – 1942
Format 35mm
Shutter Leaf
Speed B, T, 25, 50, 100, 150
Lens Argus Anastigmat
Focus 3ft – ∞
Aperture f4 to f16
Light Meter Extinction Meter
Rangefinder No