It's got a lot of red in, so I thought it must be Chinese, and I was duped into thinking it was an Italian second, because the fishes aren't exactly in alignment with each other. It's white glass inside.
(http://www.graphix4you.com/paperweights/kissing-fishes-vase/1.jpg)
(http://www.graphix4you.com/paperweights/kissing-fishes-vase/3.jpg)
(http://www.graphix4you.com/paperweights/kissing-fishes-vase/4.jpg)
(http://www.graphix4you.com/paperweights/kissing-fishes-vase/5.jpg)