Mark Tobey (1890-1976), "Untitled", 1958, tempera on handmade paper, signed and dated, 58x45 cm 

Notice of inclusion in the catalogue raisonné being prepared by the Committee Mark Tobey signed by Dr. H. Hachmeister, no. 31/10/18-58.17, dated 31 October 2018 

Exhibition: Galerie Carzaniga, Basel, 2021