Gunnar Nylund Shark Tooth Vase Blue Strömbergshyttan 1950s

Rarely seen version of shark tooth vase designed by Gunnar Nylund in 1957 for Strömbergshyttan, Sweden.
Mouth-blown and hand-shaped clear glass, with a light blue stripe. 
Height: 25 cm
Width: 8 cm
Depth: 4.5 cm
Good condition with a few scratches and signs of use and age.