TSVVS variant

An interesting variant could be seen withh Tessar lens at

http://arsenal-photo.com/Russian-Cameras/FED/FED-Cameras/FED-TSVVS-No-Name-The-Army-Air-Force::904.html
Regards
LP

Thanks, Luiz.
The number of the Jena Tessar (310xxxx) seems correct for a TSVVS: the range is the same (300xxxx to 31xxxxx) when it is a Sonnar.

Amitiйs. Jacques.