Injection Mold Marks Removal on Crystal

[Kalpi]

As the tittle states I'm looking for some advice on removing the internal molding marks on a crystal case, the rf shield was rusted tf so it was removed (and might try removing the posts that held it in too)

Trying to do a dvt-3 devkit inspired build and wanting it looking primo.

Cheers folks,

Kalps

[big F]

Fine wet and dry  paper, and plastic polish.  Also if you have a Dremel type tool you can get small polishing pads for them, certainly easier on both your hands and sanity.