I got this a week ago after a couple of months of looking for something better than the Antoria I've been playing. My wife has just about started speaking to me again.
The guy selling it thought it was a '37, but after much peering at the very faded FON I think the last character is a B which would make it a '36 (or in different light it might be a 5...). Either way it seems to be in remarkably good nick for the age it is.
Here it is in action on one of my songs: