I assumed as much so googled "lugged 953" as well... it looks like Saffron have done it in the past (along with a few others), so there is hope - hurray!
Here's the Saffron one that comes up on google. The build is anti but the frame is pretty tasty:
853 is far from stainless.
http://www.reynoldstechnology.biz/materials/steel/s-853/