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Great pics. Didn't realize the early 109 had a looped handle grip like that. Similar to British designs with, presumably, the brake control in the center.
I would wonder if any of the French or Soviet sources were stating the original color of the aircraft since it seems also that these early Bf 109 A airframes were painted a bit different than the machines that arrived later in the civil war... Also, it seems that lots of care was taken to smoothen the panel lines with the putty before painting (in what seems like some metallic paint to my eyes).