Den Kongelige Porcelainsfabrik A/S, sales catalogue, 1967, n.p. Susanne Bruhn and Christina Rauh Oxbøll, eds., Axel Salto: Master of Stoneware, exh. cat., CLAY Museum of Ceramic Art Denmark, Middelfart, 2017, p. 178
designed circa 1944 Stoneware, Sung glazes. 6 cm (2 3/8 in.) high, 15.3 cm (6 in.) diameter Produced by Royal Copenhagen, Denmark. Underside incised 20728 939/SALTO with painted blue wave mark under the glaze and Nordiska Kompaniet paper label.