Transparent yellowish green glass; blown or mold-blown, ground, polished, sand-blasted. Bowl: conical, with irregular oval mouth. Rim plain, rounded, of variable height above floor; wall tapers and curves inward toward bottom; base plain, ground and polished, with concavity at center. Decoration on inside is sand-blasted, and consists of six larger and five smaller geometric and abstract motifs, including spirals, open circles, crescent-like elements, and amoeba-like form. Outside decorated with irregular arrangement of two circular and eight oval grooves, made by grinding. Signature scratched on edge of base: "KOSTA BODA Gunnel Sahlin 1991 "FOSSIL" (designer's name cursive).