watercolor and graphite on paper

signed and dated "Sandra Ceballos 1997" lower center and titled "BASE MUCOSA" lower right; further signed, titled, inscribed and dated "Sandra Ceballos 1997 "Base mucosa" serie: "Expressión Psicóqena SANDRA Wather color and graphite"" on the reverse

27 1/4 x 20 in. (69.2 x 50.8 cm.)

Executed in 1997.