Super Hot-worked art glass vase (Signed) Scandinavian/Czech???

Lovely and heavy and nicely made the
base has been very well polished and then
signed sadly to small for me to make out
it is sort of strapped around the central area not
unlike Michael Harris did on some Axe Head
vases any body ever seen a similar piece before?
its heavy for its size 43/4" x 43/4" 1.5 kg