hmmm. What size are they though. I've also found another, handblown with lenses cut into it around the outside. But not being sold as Georgian or a tastevin as far as I can remember - didn't keep a link to it.
I think mine is a good match for Ivo's catalogue pic don't you think?
The only thing that is slightly bemusing me is that the glass on mine does look quite old. Would they have been producing glass that looked like this in the 1930s?
m