If I've commented on this before, my apologies. I think it's very likely that this is Jordan's Importing model #1305, a "fluted vase 10 1/2 inches high; choice of duotone colours: amber/green..." It seems JI had a furnace in Murano. Whereas the pieces imported by other US importers can be linked to known Murnao producers, JI glass seems different from the rest. According to the owner's daughter, this is because the owner, who lived in New York, designed most of the pieces. So definitely Murano, but not sommerso. You'll find a fair bit of JI glass on eBay in North America and in antique stores across Canada.