Quote Originally Posted by Haebar View Post
I just got some older unsmoked pipes which have the CP for Charatan in the stem. The vulcanite stems are significantly oxidized. How do I clean these stems up without messing up the symbol?
While I have not tried it myself, I have read that putting Vaseline on the symbols prior to the Oxyclean treatment will do the trick. Hopefully a veteran estate restorer can jump in and validate or call shenanigans.