This is a German AFPI camera imported by a Russian retailer S.I. Surov in St. Petersburg.
Lens has inscription: Extra Rapid-Aplanat F:8 ......E. Winsche A.-G.Relck
This camera uses 6x9cm plates, the camera itself is very similar in size to Moskva-3
The manufacturer was Emil Wünsche in Reick near Dresden. Produced from 1904 to 1909.
Several different styles are known. McKeown page 1017.
Thank you, Peter Jonas of www.photohistory.at for identifying this camera.
Collection of Vladislav Kern