All,
David and I have been going over this airplane from nose to tail for a few weeks now. We've confirmed it is W. Nr. 110662, both through documentary and photographic evidence. I have the original photo that Franck posted above. Scanned at 4800dpi, we were able to clearly see 11066, and the last digit was either a 2 or an 8. Documentary evidence showed it was a 2. The KG(j)54 emblem is painted over as well, but not visible in that photo. We have three shots of this airplane, from the front, 1/4 front and direct profile. It is all pretty plain to see when comparing all three photos.
Scanned at 4800dpi, the "10" is plainly visible, in fact moreso than the Red 3.
This machine was captured by the 398th AAA AW Bn and there are two photos of it on the 398th webpage:
http://www.14thad.org/398thaaa/index.cfm