Unusual helmet with Luftwaffe and HJ emblem - has anyone seen one of those before? Found under following link of Svenska Dagbladet (article in Swedish)
Article was by Dr. Barbro Eberan, who lives in Hamburg and began her academic career there in 1959. She has written numerous critical books about the "Nazi-Zeit"
I first met her in the mid 1970s. Two of her most notable books are "Wer war an Hitler Schuld?" and "Var Hitler en demon?"
https://www.svd.se/unga-nazister-blev-tysklands-demokrater