Vintage hand blown aurene retailer iridescent sphere shaped studio art glass paperweight

Up for sale is a wonderful hand blown art glass paperweight made by Royal Brierley Studios.
It is done with an exquisite relief detailing, has very rich iridescent color, and an aurene textured finish that shines all colors of the spectrum.
It's signed underneath and retailer measures 2 1/2 inches wide by 2 1/4 inches tall.