Tone arm identification help

[oldhifi]

Hi everyone,I got this tone arm but don’t know what iit is ,can you help me identify this one?

I think it’s 9 inches 

thanks in advance 

[t_mike]

Rega R200, which was made for them by Acos.

[EV Cali]

It is almost certain that the anti skate belt will be perished.

Not that hard to replace but your soldiering needs to be up to re soldering the tone arm wires.

I have one if needed.