I have an unwanted square taper alloy record (hidden 5th arm but all logos polished off) with 10spd rings (175 mm arms 53/39 teeth ) here if you are interested .
I have some other Campag' parts if you need? 10 speed Centaur Ergo's, Centaur mechs, Centaur and Mirage brakes, Record Carbon/Ti 102mm BB (Italian thread)
I have various NOS 10 speed campag crankset in stock veloce 53/39T 170mm or 172.5mm or record 53/39T 170/172.5/175mm. All satin finish square taper from c.2006.