The side mark of 2919 is probably the importer restamp.
If it is a solid stock, that is not out of the question. If it has splices, that is normal too. That was done by the Finns to reduce warping and repair damaged forends.
C is the bore diameter. There were three bore diameters made, namely A, B and C. C barrels have a diameter of .3087"
Triangle T is a Tikka mark.

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