When I was your age, I only had a lot of ww2 stuff, the usual US and british equipment, some german but nothing like a pickelhaube..
Keep up the good work, you're doing quite well! The iron cros 1st class is a '57 example isn't it?
I predict that in a couple of decades, you will be buying a couple of shipping containers, there is no cure, just treatment for this disorder. The current health care regulations require insurance to cover drug addicts, I think they should also pay for collectors to treat their ailment.
Great start you are on the way. I bought my first EKI when I was 14 from a market stall in the Portobello Road in London for GBP £10! You may wake up and find one day it's a business. Have fun and enjoy