TSVVS (TCBBC in Cyrillic) ...... 35 mm / Leica-Contax copy .......... lens : Carl Zeiss Jena Sonnar - 50 mm f.2
Body serial # 577 ....... Lens serial no. : 3090237 ..... year : 1950
factory : Uncertain (probably the ALMAZ Factory), Moscow, USSR ..... production under 1000 units total in 1949 & 1950