Hi, I have to say I am not surprised !
A Webley Mk 3 rear sight sold for £50,
A Webley Mk 3 Stock ( With a split ) sold for £53 , Both + Post.
In the same vein , A set of Metal Bsa sights are on there with a period scope for £175 !!!!!!!!!
Whilst the above might be optimistic , Some items do sell.
Ged.