in graphite, lower left: Trial Proof XVIII; lower right: David Hockney 76; [in unknown hand] dark floor
Marks and Labels
blind stamp: © [chop of Gemini G.E.L, in circle]
Acquired by NGA in 2015, gift of Gemini G.E.L., LLC and the Artist
- Ritchie, Charles. Gemini G.E.L. Online Catalogue Raisonné. National Gallery of Art, Washington, 2001.