lower right in graphite: Christo 1975; lower center in black crayon: OTTERLO MASTABA / PROJECT FOR RIJKSMUSEUM KRÖLLER-MÜLLER OTTERlO / 250,000 stacked oil drums - 50 Lbs each
(Leo Castelli, New York); The Honorable William H.G. FitzGerald, Mr. Desmond FitzGerald, and Mr. B. Francis Saul II, c/o The New York Studio School; Corcoran Gallery of Art, Washington, DC, 1978; acquired 2015 by the National Gallery of Art
- Simmons, Linda Crocker and with the assistance of Adrianne J. Humphrey, et al. American Drawings, Watercolors, Pastels, and Collages in the Collection of the Corcoran Gallery of Art. Washington, DC: Corcoran Gallery of Art, 1983: p. 250, no. 1658.