Czechoslovakia, design F. Vízner in 1968, production Škrdlovice glassworks, massive clear glass, partly with innergreen layer and blebs decoration, height
Lit.: Hill Mark, Hi Sklo Lo Sklo, Post War Czech Glass Design, Mark Hill Publishing, London 2008, pg. 64; Warmus William, Frantisek Vizner sklo/glass 1951–2001, Barry Friedman Gallery, New York 2001, pg. III–12.