The Billy-Clack is a folding cameras made by Agfa from about 1934 to 1940.
The front panel is decorated with glossy black enamel between raised chrome strips.
The Billy-Clack No. 74 takes eight 6×9 cm pictures on 120 film.
It has an f/11 Bilinar achromat lens, with aperture settings for f/16 and f/22.
It has an ‘I’ and ‘B’ shutter and brilliant finders for both orientations.
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Francesco Pusceddu Old Camera Collection
It also has a folding frame finder on the camera body.