That sounds wounderfull!! I have a few JG53, less then 7! And a few copies from the Prien book.. Gents can you get in Contact with me via email please..
info@zgma.de
I have may JG53 from Mannheim Sandhofen as i wrote many years ago a book on that airfield. Then many oldtimimers were alife but today all have pased away..
Cherrs
Dirk