Old Jupiter 8

On eBay there was this old type (1950) of Jupiter-8 similar to a zk zorkyof the same year. ididn't find in Soviet CAMS.com that lens.
Did you know that?

the link to the second photo



the first didn't work for me...

www.a7camera.com www.120folder.com www.instantphoto.eu

Yes, I have just the same: s/n 5005810.
The lens barrel is guided by two screws, when seen at the back.
And it has the Sonnar/ZK "ears". Of course, no Zeiss serial number.
An intermediate version...

Amitiйs. Jacques.

Many thanks Jacques