https://www.metmuseum.org/art/collection/search/709326
Signature: In graphite at lower left: "Cy Twombly"Inscription: Numbered in graphite in artist's hand at lower left: "10/18 a"Marking: Printer's dry stamp at...
cy twomblythe metropolitansketchesmuseumart
https://www.metmuseum.org/art/collection/search/709378
Signature: In graphite at lower left: "Cy Twombly"Inscription: Numbered in graphite in artist's hand at lower left: "10/18 c"Marking: Printer's dry stamp at...
cy twomblythe metropolitansketchesmuseumart
https://www.christies.com/lot/lot-cy-twombly-untitled-6299558/?lid=1&from=siteindex&intobjectid=6299558
cy twomblyuntitledchristie