Zeiss Ikon Nettar II

The Nettar series by Zeiss Ikon was a successful range of self-erecting folding cameras for 120 roll film. Several types were offered for 6×9cm, 6×6cm and 6×4.5cm format, with different lenses in a variety of shutters. (Camerapedia) This particular model dates back to around 1949, and shoots in the 6x9 format.