Superb “Fixbross” advertising cardboard: for attaching brooms and brushes.
Its drawn illustrations and the “before/after” presentation make this advertising cardboard a unique and rare piece.
It is marked "SDSG Patented" (without government guarantee), meaning that the patent was issued "without prior examination, at the applicants' own risk, and without guarantee of the reality, novelty or merit of the patent". 'invention, or the fidelity or accuracy of the description'. This mention disappeared in 1968.
This cardboard must have been part of a larger panel and glued to a support because we see on the right that the edge is cut although this does not hinder the object in any way and at the back it has remnants of kraft paper .
It is nevertheless in good condition considering its age.
