Seeking Non Serif Ploprof 600 B2 Bezel for Serif B1 Bezel

Hello Folks

Like many others my Ploprof has seen some action and parts swapped. So I am seeking a trade of the earlier Mark I serif font bezel for a non serif Mark II bezel. Here’s a chance to make each other “right”

Here is the current bezel:


And here is the bezel I am looking to swap for:



I am based in the UK but willing to ship anywhere.

Thanks!