Mark Tobey (1890-1976), Untitled , 1965, tempera on paper, signed and dated, 29.5x24 cm Certificate from The Mark Tobey Project LLC signed by Mr Achim Moeller. The work is registered in the archives under number MT [439-11-07-24]. Notice of inclusion in the catalogue raisonné in preparation of the Committee Mark Tobey signed by Dr. H. Hachmeister, no. 31/10/23-65.43, dated 31 October 2023