1917 Winchester Canadian pedigree

[pickax]

Hello all
I recently found a fairly good condition Winchester to round out my 1917 collection of all manufacturers. It's a early CAI import.
Traces of red paint in seam between forearm and upper hand guard got me searching for LL 1917 history.
Her's what else I found so far. Early star stamped receiver #87498. Mostly Win. parts and stock except Eddystone bolt sleeve, rear sling swivel, mag. floor plate and follower.
Canadian broad arrow stamp on right butt stock
Neatly serialized bolt (non matching)
Modified follower (beveled)
staked trigger housing screws
Entire photo album here; Winchester 1917 - Album on Imgur
I have a couple questions regarding stock stamps found. First is the stylized P forward of the trigger guard. The only similar stamp I could find is on a pic. of is the "red star" Remington '03s from Britain. I cant find any Brit proofs and hesitate to remove the hand guards for fear of losing the red paint remnants. Would there be any proofs under the lower hand guard?
The other puzzler is the capital S in the scalloped bolt cut out. Any ideas on that?
I've enjoyed doing some research so far, and would like to know if I'm missing any thing besides the Canadian provenance?
I feel really lucky to find a mostly original rifle with a good bore(2.5 MW) that will be 100 years old in December 2017!
Any/All comments welcome
Brad

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[browningautorifle]

I don't think removing the top wood will damage the paint. The Brit proofs should be visible from outside though. Nice rifle.

[pickax]

Thanks Jim,I'll think about taking down the rest of the way. Trigger stakes are pretty light and hopefully wont be damaged.
For cleaning if nothing else, it was pretty grimy. Lots of solidified gun oil in receiver, barrel and bolt.

[browningautorifle]

It's probably been apart few times already...

[jamie5070]

I have two CAI import winchester 1917s. One has a the bolt serialized to the receiver. The other has canadian markings on the stock. One has a beveled cartridge follower and both have spring modified ejectors.
I've had them both apart and neither one has any british type proof marks.
john

[pickax]

Thanks John, I didn't know the ejector spring got modified as well. Got to check that when I take it down.
I received a copy of the Ferris book, it confirmed what RTL noted in another forum about Danish ownership as well.
Probable timeline on this rifle;
One of 80K (plus) purchased by the Canadians around June 1940, and used by Veteran guards and training.
In 1953 68 K rifles given to Denmark by Canada.
Imported and sold by CAI in the 60's back to US
The Danes and Canadians both performed mods to rifles so it's hard to know who did what when. The clincher on Dane pedigree is the numbered bolt, and hold off chart decal on the butt stock.
I find it amazing this high mileage old girl survived with a good original bore and mostly original parts. Wish it could talk!

[jamie5070]

Both of mine have really nice bores as well. The one with the serialized bolt is a mix master but the one with canadian markings is almost all winchester.