Friedrich SCHRÖDER-SONNENSTERN 1892–1982, Germany Signed Art Biography Art Prices Filter Authenticity Genuine / Forgery Type Signatures All Signatures Monograms Medium Unknown All Unknown View List / Gallery Previous / Next 1958 Signature considered genuine 1958 Signature considered genuine 1965 Signature considered genuine 1970 Signature considered genuine 1971 Signature considered genuine 1972 Signature considered genuine 1973 Signature considered genuine
