This one is most unusual because of the additional detail on the bowl sides, white latticinio rods running upwards, all ending in a matching cobalt blue rimming. I do believe it is unique because of these characteristics. Its condition is excellent, a very pretty bowl indeed.
The remnants of its Perthshire paperweight paper label still can be seen on its base in my photos. The item "Perthshire Paperweight End of Day Center withLatticinio Rod Sides Bowl EC" is in sale since Wednesday, September 28, 2016.
This item is in the category "Pottery & Glass\Glass\Art Glass\Paperweights". The seller is "paprwt" and is located in Northbrook, Illinois. This item can be shipped worldwide.