Remember this Baby? Such a shame that the serials got shaven off

[supersharp]

If you take some pure lemon juice from a lemon and drop it on the serial, then rub a little baking soda to make a paste over it, wipe with clean cloth. That serial should stand back out

Cool tip. How did u discover that?

 

[iluvmyx]

My uncle said it worked for "metal". He is a gun collector.