Signed and dated "A 58" also verso signed, dated, "Squares: Blue and Cob. Green in Cadm. Green" titled, "16 x 16''" and "40.5 x 40.5 cm" marked also with handwritten detailed annotations on the used colours
The work has been registered as no. JAAF 1958.1.62 for the catalogue raisonné of the paintings currently being prepared by the Josef and Anni Albers Foundation, Bethany, USA
The artist’s studio; Collection Prof. Eugen Gomringer (acquired directly from the artist); Collection Branco Weiss, Zurich; Galerie Gimpel & Hanover, Zurich; Galerie István Schlégl, Zurich; Private Collection Munich (1984-2017)
As a teacher at Bauhaus and Black Mountain Collage, Josef Albers is regarded as an important pioneer of Op Art and color field painting. His oeuvre imperceptibly influences the abstract and concrete art.