Contessa-Nettel Ergo,

Peter Loy

4.5x6cm monocular-shaped ‘detective’ camera, 5.5cm f4.5 Tessar, rare magazine back for cut film + case with ‘Photo-Plait… Paris’ retailer’s label inside the lid.  Manufactured from c.1913 with production continuing as the Zeiss Ikon Ergo after 1926