Mid Century SIGNED TAPIO WIRKKALA Finnish Glass Vase / Vintage 70s retailer

Gorgeous clear glass vase designed by Tapio Wirkkala, a leading figure in the Scandinavian mid century modern design world. retailer I'm fairly certain this was part of a line for iittala, a Nordic glassware manufacturer.
The bottom is signed TW.
8.75” tall
Excellent condition- no chips or scratches.