Here's the 1917 Carl Gustafs Swedish mauser I won in jjmitchell60's giveaway. Unthreaded muzzle, all serial numbers match (except the cleaning rod, which is not numbered). Bluing is in good shape; wood is in good shape other than a few dings.
There was little cosmo to be cleaned off. Baked the stock in the oven to get out what little was there, then wiped it down with mineral spirits, and cleaned all the parts with mineral spirits. Gave the stock several coats of tung oil, oiled all the parts, then put it all back together, and here she is:
My Second protects your First
"I declare to you that woman must not depend upon the protection of man,
but must be taught to protect herself, and there I take my stand." - Susan B Anthony