Correct, Franck: in the mean tim, and thanks to a lead from Anders, I tracked back the culprit: Fw. Willy Rühl, 14./JG 300 ;-)
Bf 109 G-10 W.Nr. unknown "Schwarze 2", Lt. Willy Rühl, 14./JG 300, Reinsdorf, early March 1945. Source: Lorant et Goyat 2005, p. 212.
www.flickr.com/photos/28092068@N03/11465698265
Cheers
Marc