Signed and dated Constant 2000, bottom left in pencil. Titled "Juanita", bottom left in pencil

Signed and dated Constant 2000, bottom right in pencil

Signed Constant, bottom right in pencil underneath the cello. Titled Jeune musicienne assise, bottom center in pencil.

Signed and dated Constant 77, bottom right in pencil

Signed Constant, center right on the shoulder of Mathilde V. in black watercolor

Signed '50 Constant, bottom left in black paint

No signature or date

Signed and titled Constant EUROPA, bottom left in pencil

Signed Constant, bottom right in sepia watercolor. Titled Prometheus bottom left outside the frame in pencil

Signed Constant, bottom right in pencil on white fond