each large glazed ceramic baluster-form table lamp on later lucite bases designed by Swedish artist Ingrid Atterberg as part of the "Spiral' series, circa 1949, with alternating ochre and white stripes on a matte brown ground; impressed marks to underside; Ingrid Atterberg (1920-2008) was born in the northern Sweden city of Harnosand. She studied at Slojdforeningens School in Gothenburg. Ingrid came to the Upsala-Ekeby Pottery factory in 1944, staying on until 1964.