Bird with blue and green tinge, seller told me that it is uranium but I don't think so, its more a gentle sommerso effect. Has plastic label for V Nason and Co. I would put this bird at 80s early 90s what do others think? Not marked to base which I think is pretty usual. I bought with a few others pieces in Camden Passages. I am in London for a week visiting. Dissapointed with the Passages, not much there now. The seller did have some fantastic studio glass, some large and beautiful Peter Layton pieces but at £400 each I couldn't stretch to it, so had to settle for a few small things.