I cannot find the original thread to contact Stefan. A few years ago the upholstery shop lost one of my escutcheons from my 1940 Super.
They claimed it flew away when they were buffing it and it could not be found.
I was able to find a pair from a Roadmaster that were slightly longer so had the pair replated and used them. I have one original
1940 Super escutcheon that looks like the one you need. It has been buffed and although not perfect is pretty nice.
Contact me and you can have it. Tom Bianculli tjbian64gmail.com
Tom, his thread is titled "Need mount brackets" dated March 31st in case you want to reply there. His profile shows Stefanistockholm hasn't been on the site since 3/31. So he probably hasn't seen your reply.
I have a 52 Buick Roadmaster 4 door parts car. The robe cord escutcheons are present, they would need rechromed. If someone needs them, pay the shipping and they are yours.