"Klein blue" Ingvar Hildingsson stool produced by Ingvar Hildingsson, Sweden. Signed "IH". Designed 1970s. Height: 36 cm, 40 cm, 44 cm. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution