UNBRANDED CAMERA SHUTTER, KAMERA VERSCHLUSS WORKS

Shutter works perfect. Speeds accurate.
Shows no signs of prior use. All functions smoothly and as it should. For which camera it is is unclear.Shutter comes in original makers box. Diameter of the shutter is 46mm. Diameter front at the front is 20mm, at the rear 7mm. Screw thread diameter retaining ring is 25mm. Comes without retaining ring. Aperture works smooth and blade shows no wear and are clean. Speed and aperture operate smoothly.