Marianne Aav, Rosa Barovier Mentasti and Gordon Bowyer, et al., Tapio Wirkkala - eye, hand and thought, exh. cat., Museum of Art and Design, Helsinki, 2000, p. 318
1970-1973 Centrifugal-cast glass. 39.3 cm (15 1/2 in.) diameter Produced by Iittala, Finland. Manufacturer's label MADE IN FINLAND and underside incised with TAPIO WIRKKALA - 3442.