Jussi MÄNTYNEN 1886–1978, Finland Also known as: JM Signed Art Biography Art Prices Filter Authenticity Genuine / Forgery Type All All Signatures Monograms Medium All All Sculpture View List / Gallery Previous / Next 1930-45 Signature considered genuine 1933, Sculpture Signature considered genuine 1935 Signature considered genuine 1936 Signature considered genuine 1940, Sculpture Signature considered genuine 1940, Sculpture Signature considered genuine 1940, Sculpture Signature considered genuine 1941 Signature considered genuine 1944 Signature considered genuine 1945, Sculpture Signature considered genuine 1946, Sculpture Signature considered genuine 1947 Signature considered genuine 1950, Sculpture Signature considered genuine 1951 Signature considered genuine 1955, Sculpture Signature considered genuine