For those interested, and following here are a couple of photos on my progress. The original border on this Parker is only +0.070 wide measured from thin outside border line to opposite border line. This is a 28 lpi pattern. The actual mullered border is even narrower.
This photo shows the worn smooth border on the left:
This photo shows my refurbished border on the right:
A few more lines to go. I need new eyes.