Three months ago I picked up your rifle's WRA twin at the CMP North Store. The stock is beech and looks very much like yours, which the Danes used in rebuilds. Supposed to be a denser wood and less likely to crack, or so I read once. Same barrel marks--but are you sure that's 57 and not 67? Mine is 66 and the 6's look a lot like fives. VAR barrels are supposed to be match-grade or better. The Springfield bolt in mine is penciled with the #s from another rifle, but oddly the finish matches perfectly.
And the Danes sure did take good care of them. It was a CMP odd ball, since the Danes have been out for years, and the only one on the rack. All of the other Field Grade WRAs at the Store were very rough, and I've been looking at them every few months all year waiting for a nice one to pop up.