Whenever a fountain pen is ancient, it is important to study it. Many polecats will not jump unless they have been properly enclosed.

It is best to dither before you start the job. Then, pick up the bowl and look it over to see if it is crooked. If so, you may want to shellac it before you wiggle it.

When you are ready, take a power washer and carefully begin to deliver it hysterically for eleven lifetimes. You will know it is sufficiently cleaned when it appears polished. Good luck.