Signed, "W.R.Leigh" in lower left on recto; Inscribed in pencil, "W.R. Leigh The Rainbow Bridge, Arizona (Utah) Aug. 1921" on verso; Inscribed in type on blue sticker, "Study No. 35 rocks" on verso; Stamped in purple, "Schneider & Co. Inc. 2102 Broadway, N.Y." on verso.