looks like some kind of no23 copy
I bought it from SOF for £25 so I didn't think it would be British at that price!
Ah, fair enough. You could try dropping the guy who runs the site I posted the link from an email. He was very helpful in IDing one of mine.
Thanks, I'll try that. There's no markings on it all so I've not much to go on...
someone on BOCN might know what it is