Ref: bf109e, white 7, 1.JG54.
Well done Primoz, it is Seiler's white 7. We can close out Peter Bremer, a) He arrived much later to I.JG54 and was first assigned to 2.JG54 b) Oblt Seiler brought home from Spain the top hat emblem (2.J88) and sported it together with the chimney sweep (staffel emblem 1.JG54 1939-1942) on his bf109's, c) I attach a photo together with the context where it is mentioned that Seiler had used a white 7.
Anyway, this photo fits perfect in my JG 54 collection.
Cheers
hihotte