Tapio WIRKKALA Explosion" sculpture - 1958 Central brass sphere, metal rods with brass decoration Published by Kultakeskus Oy 60 × 60 × 60 cm Provenance : Model made for the 40th anniversary of the Stockmann department stores' in Helsinki, Finland Bibliography : Tapio Wirkkala Finnish Design - Glass and Silver, 2016, p.216 A brass and metal "Explosion" sculpture by Tapio Wirkkala for Kultakeskus Oy - 1958 23.62 × 23.62 × 23.62 in. Tapio WIRKKALA