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Zenith

I am no expert...

 

Hi OC,

Very nice PW - you should send it to the manufacture for a SPA treatment!

I am no expert, but from the looks of the bridges and the swan neck regulatur it looks to be the Cal 20 1/2'" or 20 1/2'" N.V.S.I.

Sorry, but I don't know what the letters are for...



 

Hope this helps in the right direction!

 

Best

Blomman

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