Bought this rifle three years ago for $75.
https://i.imgur.com/TTpDuDq.jpg
It was sporterized by Parker Hale, what they called a No4 De Lux.
It was originally a 1942 No4 Mk1 Maltby with 2 groove barrel.
Now it looks like this.
https://i.imgur.com/pDtIBcq.jpg
https://i.imgur.com/zZC36kQ.jpg
https://i.imgur.com/Wh7fAnp.jpg