Gentle galoots,

I have a finish question from a friend of my sister who is a gun 
repairer/dealer.  He has a gun that was wrapped in bubble wrap for a 
number of years and it has left marks in the transparent finish that 
mirror the bubbles, like it melted slightly and resolidified.  He thinks 
the finish is "true oil" and was wondering if there is some way of 
reamalginating it the way you can repait shellac which will bond with a 
new layer?

I have a pic I can send, haven't sorted out how to post to the online 
list spot.

Any suggestions welcomed and appreciated.

Thank you!

Esther