[Leica] whom to contact at Solms or Leica USA with a research question?

["Patrick G. Sobalvarro" <pgs@sobalvarro.org>]

I have an unusual Olympic SL that I think may have been a gift from
Leica to an individual, perhaps a photographer.  I have this idea
because (a) all the special gifts from Leica I've seen listed have
unusual serial numbers, and (b) the body and lens on this SL both 
have round serial numbers (ending in 500), and (c) while I have seen 
about 10 other Olympic SL's, none of them have had round serial 
numbers.

Of course, it may not have been a gift -- the numbers might simply 
have been gotten by a collector with numerological tastes -- but the 
camera also shows evidence of a fair deal of use, which doesn't sound 
like something the posited collector would have done.

I've sent electronic mail to Leica in Solms (using the address on
their Web page) and to Brenda Olesin at Leica USA, asking if they
can give me the name of someone at Leica to whom I can write asking
whether the camera was a gift from the company.  I've received no
reply, although it's been a couple of months since I sent my email.

So, here's my question.  Does anyone on the list have the name and
address of someone at Leica who answers questions like this?  I would 
have written them a letter on paper some time back, but I have no 
idea to whom it should be addressed.

- -Patrick