On Fri, 14 Oct 2005 17:57:38 -0700, David wrote:

it's just the sides where my sweaty hands have touched.

One of my friends (a smoker and a lab chemist) has sweat as corrosive as
something from Alien. A great many silver-plate ornaments have suffered
his black fingerprints o'doom and there's even one etched into the
chrome plated traverse handwheel of the lathe.

Maybe you could gun-blue your shoulder plane ?