IAB ID help Needed-Backs only

[andya]

Hi
I was wandering if anyone could help me id these three badges form the backs only. Apprecaite any help.
thanks
andy

[andya]

2

2

[andya]

3

3

[Philippe DB]

Hi Andy,

All 3 are original.

First one is from an unknown maker as is the second "oval crimp IAB" (catch replaced). The last one is a SC "RK"

KR
Philippe

[andya]

Thank you Philippe
sorry, what is SC "RK" ?
regards
andy

[Philippe DB]

So Called "Rudolf Karneth", Andy

RK most likelly made these badge but IMO more than one maker might have been involved with this design, hence the "SC" in front of the maker.

KR
Philippe

[andya]

thanks

So Called "Rudolf Karneth", Andy

RK most likelly made these badge but IMO more than one maker might have been involved with this design, hence the "SC" in front of the maker.

KR
Philippe

many thanks
andy