[QUOTE=Voidmonster;1068937 ...I'm about 65% confident that there was a T, in a larger die, just above 'E' in REGENT St. If I match the size and typeface, KENSINGTON lines up perfectly. However, only the T matches. The tiny remnants of other letters really don't... [/QUOTE]
Zak - here's one of Kensington's trade cards - note that the first name is abbreviated - no hint of a 'T' there...
Attachment 114661
Regards,
Neil
PS: I just looked at the Magnaflux link you provided and a few other websites, including youtube videos, etc - seems that the National FireArms Forensic lab use it to recover obliterated marks, too. Very interesting - thanks for posting that!