The Asset declarations (VA) were collected by the Jewish Property Declaration Office (VVSt.)
Jewish Property Declaration Lilly und Fritz Grünbaum (german).pdf
Jewish Property Declaration (translated).pdf
Fritz Grunbaums Jewish Property Declarations were filed by Lily Grunbaum under power of attorney. Six declarations were filed from July, 1938 through June 30, 1939.
The last time the art collection was declared had been June 30, 1939 – almost a year after Mathilde Lukacs left Vienna
When Lilly Grünbaum died in December 1942, nothing was left.