Translated with Google Translate. Original text show .
The work is unsigned, but on the back of the painting there is a text that guarantees its authenticity.
Quote:
"The undersigned Mrs. Robert Herberigs as well as Harold Herberigs declare that the painting numbered on the verso as landscape No. 111 was painted by Robert Herberigs, her husband and his father respectively, in his studio in Oudenaarde in mid-1957.
This statement was made to confirm the authenticity of the work, work that was not signed by the painter.
Oudenaarde, August 5, 1983
/End quote