Large bowl made of colorless glass with silver-yellow flakes and warped, combed thread decoration, plate-shaped body with raised edge and multiple pinched and inward-drawn bowl edge with fused mouth, surface iridescent in petrol color, base with dislocated tear.Bowl is in undamaged condition.Fritz Heckert in Petersdorf, design by Otto Thamm around 1902. Height: approx. 4.8 cm, diameter: approx. 26.5 cm.Lit.: S. Zelasko, Fritz Heckert - Kunstglas Industrie 1866-1923, page 189.