I see that you've cross posted this in a number of places. By chance, was your person Northern European like Swedish or Polish? Take a look at this page:
http://www.auction2000.se/auk/w.Object?inC=TO&inA=201303...Then at this too:
http://axioart.com/tetel/motorcycle-race-vii-memorial-j-k-lo...I'm getting the idea that this is a foreign something or other, abbreviation. I could be way off, of course, but perhaps it is worth looking into.
On the other hand, you may know the answer by now. If so, do you mind sharing because I'd love to hear it.