Help Identify EK2

[kfs]

Hello
Can someone please help to identify the maker
of this EK2
I have them in my Collection and want to know where it make,
Thanks for your help

I have some opinions about some makers please let me know if they are correct
and of course im happy when you know some other

1 - 14
2 -
3 -
4 - S&L ?
5 - Junker ?
6 - Hersteller 55 ?
7 -
8 - 23
9 - Zimmermann ?
10 - K&Q ?
11 - Hersteller 100 ?
12 - Hersteller 100 ?

[kfs]

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[kfs]

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[kfs]

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[kfs]

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[kfs]

11 + 12

[HuD]

I believe that number 2 and 5 were made by unknow makers.
Best,
Stefano

[fabri-online]

All right for me, just # 5 I believe it 's come from an unknown maker, no Juncker.