Engraving
Heavy foxing
Engraving
Foxing reduce after treatment
Litho by Matisse
Before treatment
LItho by Matisse
After treatment
Hunting scene litho
Before in-filling losses
Hunting scene litho
Print repaired and retouched
Hunting scene litho
Glazed print showing mould on surface
Hunting scene litho
Mould removed from print
Engraving
Very discoloured and foxed
Engraving
After conservation