Hello

I'm new here and I was hoping someone could help with a valuation on my Webley Senior please?
Its a .22 and has batch number of 840.
I'm assuming that the grips are not original as I haven't seen another one with wooden grips.

Thanks in anticipation
https://imagizer.imageshack.com/img922/3236/0X7qxw.jpg
https://imagizer.imageshack.com/img923/8485/iMqMtd.jpg