That CRT on the bench is a spare. I haven't actually fired up the CRT in the cabinet yet. I did test it on a CR70 and it appears to be good.
I now have a plastic faceplate thanks to Eric H

I haven't decided what to do about the mask. I've received some suggestions about rolling my own with silicon rubber or possibly have some made by an outfit like
http://steelerubber.com/
The original finish is cleaning up nicely with GoJo, Naptha and Howard's Feed-n-wax.