That's a beautiful rifle indeed. Should serve you well in the competitions.
I have a question! Was the conversion to No4Mk2 trigger done by Fulton's or at an earlier FTR?
I ask this because I was under the impression that the No4Mk1* rifles became No4Mk1/3; where as the No4 Mk1 became the Mk1/2.
The photo of the left side of the receiver shows clearly that it's marked No4 Mk1*/2