Signed and dated Constant '49, bottom right from center in black paint

Signed and dated Constant '50, bottom left in pencil

Signed and dated Constant 2000, centre left in red paint on pink fond

Signed and dated Constant '93, bottom left in grey paint

Signed Constant, bottom right in black ink on grey brown fond

Signed and dated '92, bottom left in pencil

Signed and dated Constant ’94, bottom right in green goache

Signed and dated Constant '79, bottom right in pencil

Signed Constant, bottom right in red paint