I have seen this on the forensic shows when a serial number on a gun has been ground off. The numbers lit up like a Christmas tree!
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: earntaz</div><div class="ubbcode-body">Crime labs can sometimes pull serial numbers from objects that have had the numbers ground on, defaced, etc. The technology is there -- cost may be prohibitive. Again as indicated above -- there are various methods ... good luck! TAZ </div></div>