I had it listed locally, with no success, so I put it on ebay today, starting bid price is USD 325, less than half of the $799 new price.  It is new, in it box.  It was my spare, but sold my B&O table.

 

https://www.ebay.com/itm/Soundsmith-SMMC20CL-B-O-REPLACMENT-PHONO-CARTRIDGE-Bang-Olufsen-replacement/202553460472