Back for Zeiss Ikon Contarex

Hello folks,
I'm looking for a regular back (i.e. not the interchangeable type) for a Zeiss Ikon Contarex (Bullseye/Cyclops) body. Does anyone have one, or know where I could get one? I've searched everywhere I can think of, with no success,
Many thanks!
Raj

I managed to find one on the eBay Germany website by searching for the item in German language. It was serial numbered so now my camera and back have differing numbers but it is undamaged and light tight. Good hunting

Knjy said:

I managed to find one on the eBay Germany website by searching for the item in German language. It was serial numbered so now my camera and back have differing numbers but it is undamaged and light tight. Good hunting

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Thank you - I'll keep my eye out!

Leicashop.com has three backs listed.