This is a very rare GOMZ TLR.
6x6cm frame, using 120 film.
Relfex viewing on groundglass.
ZT-11 shutter, very close to ZT-12 used on Yunost.
Shutter speeds 1/8 - 1/250s, uncoupled cocking mechanism.
Industar-6 3.5/75mm lens (source Princelle 2nd Edition)
(Photo from collection of Viktor Suglob)